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

我们用扫描观察未出生的胎儿。

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.

他出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.

医生想尽力挽救和未出生婴儿的生命。

She was born in December.

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.

要想用星相替人算命，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。