Using a scanner, we can look at the unborn foetus.

我们用扫描器可以观察未出胎儿。

Our baby brother is an addition to our family.

新出弟弟使我们家多了一口人。

His birth background biases him against businessmen.

他出家庭背景使他对商人抱有偏见。

Only native-born citizens are eligible for the U.S. Presidency.

只有本国出公民才有资格担任美国总统职务。

The new arrival is a boy.

新出是个男孩。

He was born on a Friday.

他是星期五出。

A true cockney is born within the sound of the bells of St Mary-Le-Bow church.

在圣玛利勒布教堂钟声所及地方出人才是真正伦敦人。

He was born in February.

他是二月出。

The doctor tried to save her and her unborn child.

想尽力挽救她和她未出婴儿。

She was born in December.

她是在12月出。

The birthrate in the city has been decreasing.

该市出率一直降。

It was based on Faulkner’s own birthplace of Oxford County.

这是根据福克纳出地牛津郡写。

To draw up someone’s horoscope, you need to know their date and exact time of birth.

要想用星相替人算，就得知道他们确切出日期和时辰。

Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.

传统上，们用孕龄，受精到出周数来决定极早产儿是否接受进一步关注。

This picture taken on January 20, 2009 shows a newly born Madagascan lemur, Propithecus coronatus, an en-dangered species named Tahina, at Besancon Zoo, eastern France.

1月20日，刚出马达加斯加狐猴“芝麻酱”在法国东部贝桑松动物园亮相。

The first chapter, which tells of their early married life before the coming of their second son, Paul, is an admirable account of a mismated couple.

第一章描写了他们第二个儿子保罗出前早期婚姻活，是一对搭配错误夫妻令人羡慕描写。

While some of this can be explained by society—in countries like China baby boys are favoured and many unborn girls are electively aborted—there are natural processes at work.

有些时候这种情况可用社会来解释—在中国等国家，男孩比较受欢迎，还未出女孩会被选择性地堕胎—不过自然过程也有影响。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

相关论文发表在哺乳动物杂志上，报道称，随着母羚羊年龄增加，子代出重和性别比例也在稳定随之变化。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶和胰蛋白酶消化出3天SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。

Using a scanner, we can look at the unborn foetus.

我们用扫描器可以观察未出生的胎儿。

Our baby brother is an addition to our family.

新出生的弟弟使我们家多了一口人。

His birth background biases him against businessmen.

出生的家庭背景使对商人抱有偏见。

Only native-born citizens are eligible for the U.S. Presidency.

只有本国出生的公民才有资格担任美国总统的职务。

The new arrival is a boy.

新出生的个男。

He was born on a Friday.

星期五出生的。

A true cockney is born within the sound of the bells of St Mary-Le-Bow church.

在圣玛利勒布教堂钟声所及的地方出生的人才真正的伦敦人。

He was born in February.

二月出生的。

The doctor tried to save her and her unborn child.

医生想尽力挽救她她未出生婴儿的生。

She was born in December.

她在12月出生的。

The birthrate in the city has been decreasing.

该市的出生率一直持续下降。

It was based on Faulkner’s own birthplace of Oxford County.

这根据福克纳的出生地牛津郡写的。

To draw up someone’s horoscope, you need to know their date and exact time of birth.

要想用星相替人算，就得知道们确切的出生日期。

Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.

传统上，医生们用孕龄，受精到出生的周数来决定极早产儿否接受进一步的关注。

This picture taken on January 20, 2009 shows a newly born Madagascan lemur, Propithecus coronatus, an en-dangered species named Tahina, at Besancon Zoo, eastern France.

1月20日，刚出生的马达加斯加狐猴“芝麻酱”在法国东部贝桑松动物园亮相。

The first chapter, which tells of their early married life before the coming of their second son, Paul, is an admirable account of a mismated couple.

第一章描写了们第二个儿子保罗出生前的早期婚姻生活，一对搭配错误的夫妻的令人羡慕的描写。

While some of this can be explained by society—in countries like China baby boys are favoured and many unborn girls are electively aborted—there are natural processes at work.

有些候这种情况可用社会来解释—在中国等国家，男比较受欢迎，还未出生的女会被选择性地堕胎—不过自然过程也有影响。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

相关论文发表在哺乳动物杂志上，报道称，随着母羚羊年龄的增加，子代的出生重性别比例也在稳定的随之变化。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶胰蛋白酶消化出生3天的SD鼠臂层神经坐骨神经组织块后再将组织块贴壁培养。

Using a scanner, we can look at the unborn foetus.

我用扫描器察未出生的胎儿。

Our baby brother is an addition to our family.

新出生的弟弟使我家多一口人。

His birth background biases him against businessmen.

出生的家庭背景使对商人抱有偏见。

Only native-born citizens are eligible for the U.S. Presidency.

只有本国出生的公民才有资格担任美国总统的职务。

The new arrival is a boy.

新出生的是个男孩。

He was born on a Friday.

是星期五出生的。

A true cockney is born within the sound of the bells of St Mary-Le-Bow church.

在圣玛利勒布教堂钟声所及的地方出生的人才是真正的伦敦人。

He was born in February.

是二月出生的。

The doctor tried to save her and her unborn child.

医生想尽力挽救她和她未出生婴儿的生。

She was born in December.

她是在12月出生的。

The birthrate in the city has been decreasing.

该市的出生率一直持续下降。

It was based on Faulkner’s own birthplace of Oxford County.

这是根据福克纳的出生地牛津郡写的。

To draw up someone’s horoscope, you need to know their date and exact time of birth.

要想用星相替人算，就得知道确切的出生日期和时辰。

Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.

传统上，医生用孕龄，受精到出生的周数来决定极早产儿是否接受进一步的关注。

This picture taken on January 20, 2009 shows a newly born Madagascan lemur, Propithecus coronatus, an en-dangered species named Tahina, at Besancon Zoo, eastern France.

1月20日，刚出生的马达加斯加狐猴“芝麻酱”在法国东部贝桑松动物园亮相。

The first chapter, which tells of their early married life before the coming of their second son, Paul, is an admirable account of a mismated couple.

第一章描写第二个儿子保罗出生前的早期婚姻生活，是一对搭配错误的夫妻的令人羡慕的描写。

While some of this can be explained by society—in countries like China baby boys are favoured and many unborn girls are electively aborted—there are natural processes at work.

有些时候这种情况用社会来解释—在中国等国家，男孩比较受欢迎，还未出生的女孩会被选择性地堕胎—不过自然过程也有影响。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

相关论文发表在哺乳动物杂志上，报道称，随着母羚羊年龄的增加，子代的出生重和性别比例也在稳定的随之变化。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶和胰蛋白酶消化出生3天的SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。

Using a scanner, we can look at the unborn foetus.

我用扫描器察未出生的胎儿。

Our baby brother is an addition to our family.

新出生的弟弟使我家多一口人。

His birth background biases him against businessmen.

出生的家庭背景使对商人抱有偏见。

Only native-born citizens are eligible for the U.S. Presidency.

只有本国出生的公民才有资格担任美国总统的职务。

The new arrival is a boy.

新出生的是个男孩。

He was born on a Friday.

是星期五出生的。

A true cockney is born within the sound of the bells of St Mary-Le-Bow church.

在圣玛利勒布教堂钟声所及的地方出生的人才是真正的伦敦人。

He was born in February.

是二月出生的。

The doctor tried to save her and her unborn child.

医生想尽力挽救她和她未出生婴儿的生。

She was born in December.

她是在12月出生的。

The birthrate in the city has been decreasing.

该市的出生率一直持续下降。

It was based on Faulkner’s own birthplace of Oxford County.

这是根据福克纳的出生地牛津郡写的。

To draw up someone’s horoscope, you need to know their date and exact time of birth.

要想用星相替人算，就得知道确切的出生日期和时辰。

Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.

传统上，医生用孕龄，受精到出生的周数来决定极早产儿是否接受进一步的关注。

This picture taken on January 20, 2009 shows a newly born Madagascan lemur, Propithecus coronatus, an en-dangered species named Tahina, at Besancon Zoo, eastern France.

1月20日，刚出生的马达加斯加狐猴“芝麻酱”在法国东部贝桑松动物园亮相。

The first chapter, which tells of their early married life before the coming of their second son, Paul, is an admirable account of a mismated couple.

第一章描写第二个儿子保罗出生前的早期婚姻生活，是一对搭配错误的夫妻的令人羡慕的描写。

While some of this can be explained by society—in countries like China baby boys are favoured and many unborn girls are electively aborted—there are natural processes at work.

有些时候这种情况用社会来解释—在中国等国家，男孩比较受欢迎，还未出生的女孩会被选择性地堕胎—不过自然过程也有影响。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

相关论文发表在哺乳动物杂志上，报道称，随着母羚羊年龄的增加，子代的出生重和性别比例也在稳定的随之变化。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶和胰蛋白酶消化出生3天的SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。

Using a scanner, we can look at the unborn foetus.

我们用扫描器可以观察未出生的胎儿。

Our baby brother is an addition to our family.

新出生的弟弟使我们家多了一口。

His birth background biases him against businessmen.

他出生的家庭背景使他抱有偏见。

Only native-born citizens are eligible for the U.S. Presidency.

只有本国出生的公民才有资格担任美国总统的职务。

The new arrival is a boy.

新出生的是个男孩。

He was born on a Friday.

他是星期五出生的。

A true cockney is born within the sound of the bells of St Mary-Le-Bow church.

在圣玛利勒布教堂钟声所及的地方出生的才是真正的伦敦。

He was born in February.

他是二出生的。

The doctor tried to save her and her unborn child.

医生想尽力挽救她和她未出生婴儿的生。

She was born in December.

她是在12出生的。

The birthrate in the city has been decreasing.

该市的出生率一直持续下降。

It was based on Faulkner’s own birthplace of Oxford County.

这是根据福克纳的出生地牛津郡写的。

To draw up someone’s horoscope, you need to know their date and exact time of birth.

要想用星相替算，就得知道他们确切的出生期和时辰。

Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.

传统上，医生们用孕龄，受精到出生的周数来决定极早产儿是否接受进一步的关。

This picture taken on January 20, 2009 shows a newly born Madagascan lemur, Propithecus coronatus, an en-dangered species named Tahina, at Besancon Zoo, eastern France.

120，刚出生的马达加斯加狐猴“芝麻酱”在法国东部贝桑松动物园亮相。

The first chapter, which tells of their early married life before the coming of their second son, Paul, is an admirable account of a mismated couple.

第一章描写了他们第二个儿子保罗出生前的早期婚姻生活，是一搭配错误的夫妻的令羡慕的描写。

While some of this can be explained by society—in countries like China baby boys are favoured and many unborn girls are electively aborted—there are natural processes at work.

有些时候这种情况可用社会来解释—在中国等国家，男孩比较受欢迎，还未出生的女孩会被选择性地堕胎—不过自然过程也有影响。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

相关论文发表在哺乳动物杂志上，报道称，随着母羚羊年龄的增加，子代的出生重和性别比例也在稳定的随之变化。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶和胰蛋白酶消化出生3天的SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。

Using a scanner, we can look at the unborn foetus.

我们用扫描器可以观察未出生胎儿。

Our baby brother is an addition to our family.

新出生弟弟使我们家多了一口人。

His birth background biases him against businessmen.

他出生家庭背景使他对商人抱有偏见。

Only native-born citizens are eligible for the U.S. Presidency.

只有本国出生公民才有资格担任美国总统职务。

The new arrival is a boy.

新出生是个男孩。

He was born on a Friday.

他是期五出生。

A true cockney is born within the sound of the bells of St Mary-Le-Bow church.

在圣玛利勒布教堂钟声所地方出生人才是真正伦敦人。

He was born in February.

他是二月出生。

The doctor tried to save her and her unborn child.

医生想尽力挽救她和她未出生婴儿生。

She was born in December.

她是在12月出生。

The birthrate in the city has been decreasing.

该市出生率一直持续下降。

It was based on Faulkner’s own birthplace of Oxford County.

这是根据福克纳出生地牛津郡写。

To draw up someone’s horoscope, you need to know their date and exact time of birth.

要想用人算，就得知道他们确切出生日期和时辰。

Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.

传统上，医生们用孕龄，受精到出生周数来决定极早产儿是否接受进一步关注。

This picture taken on January 20, 2009 shows a newly born Madagascan lemur, Propithecus coronatus, an en-dangered species named Tahina, at Besancon Zoo, eastern France.

1月20日，刚出生马达加斯加狐猴“芝麻酱”在法国东部贝桑松动物园亮。

The first chapter, which tells of their early married life before the coming of their second son, Paul, is an admirable account of a mismated couple.

第一章描写了他们第二个儿子保罗出生前早期婚姻生活，是一对搭配错误夫妻令人羡慕描写。

While some of this can be explained by society—in countries like China baby boys are favoured and many unborn girls are electively aborted—there are natural processes at work.

有些时候这种情况可用社会来解释—在中国等国家，男孩比较受欢迎，还未出生女孩会被选择性地堕胎—不过自然过程也有影响。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

关论文发表在哺乳动物杂志上，报道称，随着母羚羊年龄增加，子代出生重和性别比例也在稳定随之变化。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶和胰蛋白酶消化出生3天SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。

Using a scanner, we can look at the unborn foetus.

们用扫描器可以观察未出生的胎儿。

Our baby brother is an addition to our family.

新出生的们家多了一口人。

His birth background biases him against businessmen.

他出生的家庭背景他对商人抱有偏见。

Only native-born citizens are eligible for the U.S. Presidency.

只有本国出生的公民才有资格担任美国总统的职务。

The new arrival is a boy.

新出生的是个男孩。

He was born on a Friday.

他是星期五出生的。

A true cockney is born within the sound of the bells of St Mary-Le-Bow church.

在圣玛利勒布教堂钟声所及的地方出生的人才是真正的伦敦人。

He was born in February.

他是二月出生的。

The doctor tried to save her and her unborn child.

医生想尽力挽救她和她未出生婴儿的生。

She was born in December.

她是在12月出生的。

The birthrate in the city has been decreasing.

该市的出生率一直持续下降。

It was based on Faulkner’s own birthplace of Oxford County.

这是根据福克纳的出生地牛津郡写的。

To draw up someone’s horoscope, you need to know their date and exact time of birth.

要想用星相替人算，就得知道他们确切的出生日期和时辰。

Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.

传统上，医生们用孕龄，受精到出生的周数来决定极早产儿是否接受进一步的关注。

This picture taken on January 20, 2009 shows a newly born Madagascan lemur, Propithecus coronatus, an en-dangered species named Tahina, at Besancon Zoo, eastern France.

1月20日，刚出生的马达加斯加狐猴“芝麻酱”在法国桑松动物园亮相。

The first chapter, which tells of their early married life before the coming of their second son, Paul, is an admirable account of a mismated couple.

第一章描写了他们第二个儿子保罗出生前的早期婚姻生活，是一对搭配错误的夫妻的令人羡慕的描写。

While some of this can be explained by society—in countries like China baby boys are favoured and many unborn girls are electively aborted—there are natural processes at work.

有些时候这种情况可用社会来解释—在中国等国家，男孩比较受欢迎，还未出生的女孩会被选择性地堕胎—不过自然过程也有影响。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

相关论文发表在哺乳动物杂志上，报道称，随着母羚羊年龄的增加，子代的出生重和性别比例也在稳定的随之变化。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶和胰蛋白酶消化出生3天的SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。

Using a scanner, we can look at the unborn foetus.

我们用扫描器可以观察未出生胎儿。

Our baby brother is an addition to our family.

新出生弟弟使我们家多了一口。

His birth background biases him against businessmen.

他出生家庭背景使他对商有偏见。

Only native-born citizens are eligible for the U.S. Presidency.

只有本国出生公民才有资格担任美国总统职务。

The new arrival is a boy.

新出生是个男孩。

He was born on a Friday.

他是星期五出生。

A true cockney is born within the sound of the bells of St Mary-Le-Bow church.

在圣玛利勒布教堂钟声所及地方出生才是真正伦敦。

He was born in February.

他是二月出生。

The doctor tried to save her and her unborn child.

医生想尽力挽救她和她未出生婴儿生。

She was born in December.

她是在12月出生。

The birthrate in the city has been decreasing.

该市出生率一直持续下降。

It was based on Faulkner’s own birthplace of Oxford County.

这是根据福克纳出生地牛津郡写。

To draw up someone’s horoscope, you need to know their date and exact time of birth.

要想用星相替算，就得知道他们确切出生日期和时辰。

Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.

传统上，医生们用孕龄，受精到出生周数来决定极早产儿是否接受进一步。

This picture taken on January 20, 2009 shows a newly born Madagascan lemur, Propithecus coronatus, an en-dangered species named Tahina, at Besancon Zoo, eastern France.

1月20日，刚出生马达加斯加狐猴“芝麻酱”在法国东部贝桑松动物园亮相。

The first chapter, which tells of their early married life before the coming of their second son, Paul, is an admirable account of a mismated couple.

第一章描写了他们第二个儿子保罗出生前早期婚姻生活，是一对搭配错误夫妻令羡慕描写。

While some of this can be explained by society—in countries like China baby boys are favoured and many unborn girls are electively aborted—there are natural processes at work.

有些时候这种情况可用社会来解释—在中国等国家，男孩比较受欢迎，还未出生女孩会被选择性地堕胎—不过自然过程也有影响。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

相论文发表在哺乳动物杂志上，报道称，随着母羚羊年龄增加，子代出生重和性别比例也在稳定随之变化。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶和胰蛋白酶消化出生3天SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。

Using a scanner, we can look at the unborn foetus.

我们用扫描器可以观察未出生的胎儿。

Our baby brother is an addition to our family.

新出生的弟弟使我们家多了一口。

His birth background biases him against businessmen.

他出生的家庭背景使他抱有偏见。

Only native-born citizens are eligible for the U.S. Presidency.

只有本国出生的公民才有资格担任美国总统的职务。

The new arrival is a boy.

新出生的是个男孩。

He was born on a Friday.

他是星期五出生的。

A true cockney is born within the sound of the bells of St Mary-Le-Bow church.

在圣玛利勒布教堂钟声所及的地方出生的才是真正的伦敦。

He was born in February.

他是二出生的。

The doctor tried to save her and her unborn child.

医生想尽力挽救她和她未出生婴儿的生。

She was born in December.

她是在12出生的。

The birthrate in the city has been decreasing.

该市的出生率一直持续下降。

It was based on Faulkner’s own birthplace of Oxford County.

这是根据福克纳的出生地牛津郡写的。

To draw up someone’s horoscope, you need to know their date and exact time of birth.

要想用星相替算，就得知道他们确切的出生期和时辰。

Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.

传统上，医生们用孕龄，受精到出生的周数来决定极早产儿是否接受进一步的关。

This picture taken on January 20, 2009 shows a newly born Madagascan lemur, Propithecus coronatus, an en-dangered species named Tahina, at Besancon Zoo, eastern France.

120，刚出生的马达加斯加狐猴“芝麻酱”在法国东部贝桑松动物园亮相。

The first chapter, which tells of their early married life before the coming of their second son, Paul, is an admirable account of a mismated couple.

第一章描写了他们第二个儿子保罗出生前的早期婚姻生活，是一搭配错误的夫妻的令羡慕的描写。

While some of this can be explained by society—in countries like China baby boys are favoured and many unborn girls are electively aborted—there are natural processes at work.

有些时候这种情况可用社会来解释—在中国等国家，男孩比较受欢迎，还未出生的女孩会被选择性地堕胎—不过自然过程也有影响。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

相关论文发表在哺乳动物杂志上，报道称，随着母羚羊年龄的增加，子代的出生重和性别比例也在稳定的随之变化。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶和胰蛋白酶消化出生3天的SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。

Using a scanner, we can look at the unborn foetus.

我们扫描器可以观察未生的胎儿。

Our baby brother is an addition to our family.

新生的弟弟使我们家多了一口人。

His birth background biases him against businessmen.

他生的家庭背景使他对商人抱有偏见。

Only native-born citizens are eligible for the U.S. Presidency.

只有本国生的公民才有资格担任美国总统的职务。

The new arrival is a boy.

新生的是个男孩。

He was born on a Friday.

他是星期五生的。

A true cockney is born within the sound of the bells of St Mary-Le-Bow church.

在圣玛利勒布教堂钟声所及的生的人才是真正的伦敦人。

He was born in February.

他是二月生的。

The doctor tried to save her and her unborn child.

医生尽力挽救她和她未生婴儿的生。

She was born in December.

她是在12月生的。

The birthrate in the city has been decreasing.

该市的生率一直持续下降。

It was based on Faulkner’s own birthplace of Oxford County.

这是根据福克纳的生牛津郡写的。

To draw up someone’s horoscope, you need to know their date and exact time of birth.

星相替人算，就得知道他们确切的生日期和时辰。

Traditionally, doctors use gestational age, the number of weeks from fertilization to birth, to determine whether a preemie should receive invasive care.

传统上，医生们孕龄，受精到生的周数来决定极早产儿是否接受进一步的关注。

This picture taken on January 20, 2009 shows a newly born Madagascan lemur, Propithecus coronatus, an en-dangered species named Tahina, at Besancon Zoo, eastern France.

1月20日，刚生的马达加斯加狐猴“芝麻酱”在法国东部贝桑松动物园亮相。

The first chapter, which tells of their early married life before the coming of their second son, Paul, is an admirable account of a mismated couple.

第一章描写了他们第二个儿子保罗生前的早期婚姻生活，是一对搭配错误的夫妻的令人羡慕的描写。

While some of this can be explained by society—in countries like China baby boys are favoured and many unborn girls are electively aborted—there are natural processes at work.

有些时候这种情况可社会来解释—在中国等国家，男孩比较受欢迎，还未生的女孩会被选择性堕胎—不过自然过程也有影响。

As they report in the Journal of Mammalogy, they found that as the female lechwe got older, the sex and the birth weight of their young steadily shifted.

相关论文发表在哺乳动物杂志上，报道称，随着母羚羊年龄的增加，子代的生重和性别比例也在稳定的随之变化。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先IV型胶原酶和胰蛋白酶消化生3天的SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。