She had an ulcer in her mouth.

她口腔出现溃疡。

A crescent moon peeped out from behind the clouds.

一弯新月从云中出现。

The sun was peering through the clouds.

太阳从云中隐约出现。

A difficulty has cropped up at work.

工作中突然出现困难。

Trouble has blown up at the school.

学校里开始出现麻烦。

So not only super-harmonic,also subhar monic and stochastical oscillation will appear.

因而，系统不但出现高次谐波，而且还将出现亚谐波振动现象。

The moon peeped out from behind the clouds.

月亮从云层中隐约出现。

A dark cloud loomed up over the horizon.

一乌云突然出现在天际。

I was completely nonplussed by his sudden appearance.

他突然出现使一惊。

A fungus of ugly little houses sprang up.

突然出现一排难看的小屋。

Instability may arise at times of change.

变革时期可能会出现动乱。

The ship took on a dangerous cant to port.

船只出现向左舷危险倾斜。

Misprints often crop up in the papers.

报上常出现印刷错误。

A note of discord crept into their relationship.

他们的关系出现了裂痕。

A job fell vacant in the accounting department.

财会部出现了一个空缺。

Earthquake pitted the surface of the earth.

地震使地面出现了凹陷。

A warder appeared at the cell door.

一个看守出现在牢门口。

Abdominal tissues sometimes adhere after an operation.

手术之后腹部有时会出现粘连。

The advent of the Euro will redefine Europe.

欧元的出现将重新定义欧洲。

Victory was dawning on the battle front.

战场上出现了胜利的曙光。

She had an ulcer in her mouth.

她口腔溃疡。

A crescent moon peeped out from behind the clouds.

一弯新月从云中。

The sun was peering through the clouds.

太阳从云中隐约。

A difficulty has cropped up at work.

工作中突然难。

Trouble has blown up at the school.

学校里开始麻烦。

So not only super-harmonic,also subhar monic and stochastical oscillation will appear.

因而，系统不但高次谐波，而且还将亚谐波及随机振动象。

The moon peeped out from behind the clouds.

月亮从云层中隐约。

A dark cloud loomed up over the horizon.

一乌云突然在天际。

I was completely nonplussed by his sudden appearance.

他突然使我大吃一惊。

A fungus of ugly little houses sprang up.

突然一排难看的小屋。

Instability may arise at times of change.

变革时期可能会动乱。

The ship took on a dangerous cant to port.

船只向左舷斜。

Misprints often crop up in the papers.

报上常印刷错误。

A note of discord crept into their relationship.

他们的关系了裂痕。

A job fell vacant in the accounting department.

财会部了一个空缺。

Earthquake pitted the surface of the earth.

地震使地面了凹陷。

A warder appeared at the cell door.

一个看守在牢门口。

Abdominal tissues sometimes adhere after an operation.

手术之后腹部有时会粘连。

The advent of the Euro will redefine Europe.

欧元的将重新定义欧洲。

Victory was dawning on the battle front.

战场上了胜利的曙光。

She had an ulcer in her mouth.

她口腔出现溃疡。

A crescent moon peeped out from behind the clouds.

一弯新月从云中出现。

The sun was peering through the clouds.

太阳从云中隐约出现。

A difficulty has cropped up at work.

工作中突然出现困难。

Trouble has blown up at the school.

学校里开始出现麻烦。

So not only super-harmonic,also subhar monic and stochastical oscillation will appear.

因而，但出现高次谐波，而且还将出现亚谐波及随机振动现象。

The moon peeped out from behind the clouds.

月亮从云层中隐约出现。

A dark cloud loomed up over the horizon.

一乌云突然出现在天际。

I was completely nonplussed by his sudden appearance.

他突然出现使我大吃一惊。

A fungus of ugly little houses sprang up.

突然出现一排难看的小屋。

Instability may arise at times of change.

变革时会出现动乱。

The ship took on a dangerous cant to port.

船只出现向左舷危险倾斜。

Misprints often crop up in the papers.

报上常出现印刷错误。

A note of discord crept into their relationship.

他们的关出现了裂痕。

A job fell vacant in the accounting department.

财会部出现了一个空缺。

Earthquake pitted the surface of the earth.

地震使地面出现了凹陷。

A warder appeared at the cell door.

一个看守出现在牢门口。

Abdominal tissues sometimes adhere after an operation.

手术之后腹部有时会出现粘连。

The advent of the Euro will redefine Europe.

欧元的出现将重新定义欧洲。

Victory was dawning on the battle front.

战场上出现了胜利的曙光。

She had an ulcer in her mouth.

她口腔现溃疡。

A crescent moon peeped out from behind the clouds.

一弯新月从云中现。

The sun was peering through the clouds.

太阳从云中隐约现。

A difficulty has cropped up at work.

工作中突然现困难。

Trouble has blown up at the school.

学校里开始现麻烦。

So not only super-harmonic,also subhar monic and stochastical oscillation will appear.

因而，系统不但现高次谐波，而且还将现亚谐波及随机振动现象。

The moon peeped out from behind the clouds.

月亮从云层中隐约现。

A dark cloud loomed up over the horizon.

一乌云突然现在天际。

I was completely nonplussed by his sudden appearance.

他突然现使我大吃一惊。

A fungus of ugly little houses sprang up.

突然现一排难看的小屋。

Instability may arise at times of change.

变革时期可能会现动乱。

The ship took on a dangerous cant to port.

船只现向左舷危险倾斜。

Misprints often crop up in the papers.

报上常现印刷错误。

A note of discord crept into their relationship.

他们的关系现了裂痕。

A job fell vacant in the accounting department.

财会部现了一个空缺。

Earthquake pitted the surface of the earth.

震使现了凹陷。

A warder appeared at the cell door.

一个看守现在牢门口。

Abdominal tissues sometimes adhere after an operation.

手术之后腹部有时会现粘连。

The advent of the Euro will redefine Europe.

欧元的现将重新定义欧洲。

Victory was dawning on the battle front.

战场上现了胜利的曙光。

She had an ulcer in her mouth.

她口腔出溃疡。

A crescent moon peeped out from behind the clouds.

一弯新月从云中出。

The sun was peering through the clouds.

太阳从云中隐约出。

A difficulty has cropped up at work.

工作中突然出困难。

Trouble has blown up at the school.

开始出麻烦。

So not only super-harmonic,also subhar monic and stochastical oscillation will appear.

因而，系统不但出高次谐波，而且还将出亚谐波及随机振动象。

The moon peeped out from behind the clouds.

月亮从云层中隐约出。

A dark cloud loomed up over the horizon.

一乌云突然出在天际。

I was completely nonplussed by his sudden appearance.

他突然出使我大吃一惊。

A fungus of ugly little houses sprang up.

突然出一排难看的小屋。

Instability may arise at times of change.

变革时期可能会出动乱。

The ship took on a dangerous cant to port.

船只出舷危险倾斜。

Misprints often crop up in the papers.

报上常出印刷错误。

A note of discord crept into their relationship.

他们的关系出了裂痕。

A job fell vacant in the accounting department.

财会部出了一个空缺。

Earthquake pitted the surface of the earth.

地震使地面出了凹陷。

A warder appeared at the cell door.

一个看守出在牢门口。

Abdominal tissues sometimes adhere after an operation.

手术之后腹部有时会出粘连。

The advent of the Euro will redefine Europe.

欧元的出将重新定义欧洲。

Victory was dawning on the battle front.

战场上出了胜利的曙光。

She had an ulcer in her mouth.

她口腔出现溃疡。

A crescent moon peeped out from behind the clouds.

弯新月从云中出现。

The sun was peering through the clouds.

太阳从云中隐约出现。

A difficulty has cropped up at work.

工作中突然出现困。

Trouble has blown up at the school.

学校里开始出现麻烦。

So not only super-harmonic,also subhar monic and stochastical oscillation will appear.

因，系统不但出现高次谐波，将出现亚谐波及随机振动现象。

The moon peeped out from behind the clouds.

月亮从云层中隐约出现。

A dark cloud loomed up over the horizon.

乌云突然出现在天际。

I was completely nonplussed by his sudden appearance.

他突然出现使我大吃惊。

A fungus of ugly little houses sprang up.

突然出现看的小屋。

Instability may arise at times of change.

变革时期可能会出现动乱。

The ship took on a dangerous cant to port.

船只出现向左舷危险倾斜。

Misprints often crop up in the papers.

报上常出现印刷错误。

A note of discord crept into their relationship.

他们的关系出现了裂痕。

A job fell vacant in the accounting department.

财会部出现了个空缺。

Earthquake pitted the surface of the earth.

地震使地面出现了凹陷。

A warder appeared at the cell door.

个看守出现在牢门口。

Abdominal tissues sometimes adhere after an operation.

手术之后腹部有时会出现粘连。

The advent of the Euro will redefine Europe.

欧元的出现将重新定义欧洲。

Victory was dawning on the battle front.

战场上出现了胜利的曙光。

She had an ulcer in her mouth.

她口腔溃疡。

A crescent moon peeped out from behind the clouds.

一弯新月从云中。

The sun was peering through the clouds.

太阳从云中隐约。

A difficulty has cropped up at work.

工作中突然难。

Trouble has blown up at the school.

学校里开始麻烦。

So not only super-harmonic,also subhar monic and stochastical oscillation will appear.

因而，系统不但高次谐波，而且还将亚谐波及随机振动象。

The moon peeped out from behind the clouds.

月亮从云层中隐约。

A dark cloud loomed up over the horizon.

一乌云突然在天际。

I was completely nonplussed by his sudden appearance.

他突然使我大吃一惊。

A fungus of ugly little houses sprang up.

突然一排难看的小屋。

Instability may arise at times of change.

变革时期可能会动乱。

The ship took on a dangerous cant to port.

船只向左舷斜。

Misprints often crop up in the papers.

报上常印刷错误。

A note of discord crept into their relationship.

他们的关系了裂痕。

A job fell vacant in the accounting department.

财会部了一个空缺。

Earthquake pitted the surface of the earth.

地震使地面了凹陷。

A warder appeared at the cell door.

一个看守在牢门口。

Abdominal tissues sometimes adhere after an operation.

手术之后腹部有时会粘连。

The advent of the Euro will redefine Europe.

欧元的将重新定义欧洲。

Victory was dawning on the battle front.

战场上了胜利的曙光。

She had an ulcer in her mouth.

她口腔出溃疡。

A crescent moon peeped out from behind the clouds.

弯新月从云中出。

The sun was peering through the clouds.

太阳从云中隐约出。

A difficulty has cropped up at work.

工作中突然出困难。

Trouble has blown up at the school.

学校里开始出麻烦。

So not only super-harmonic,also subhar monic and stochastical oscillation will appear.

因而，系统不但出高次谐波，而出亚谐波及随机振动象。

The moon peeped out from behind the clouds.

月亮从云层中隐约出。

A dark cloud loomed up over the horizon.

乌云突然出在天际。

I was completely nonplussed by his sudden appearance.

他突然出使我大吃惊。

A fungus of ugly little houses sprang up.

突然出难看的小屋。

Instability may arise at times of change.

变革时期可能会出动乱。

The ship took on a dangerous cant to port.

船只出向左舷危险倾斜。

Misprints often crop up in the papers.

报上常出印刷错误。

A note of discord crept into their relationship.

他们的关系出了裂痕。

A job fell vacant in the accounting department.

财会部出了个空缺。

Earthquake pitted the surface of the earth.

地震使地面出了凹陷。

A warder appeared at the cell door.

个看守出在牢门口。

Abdominal tissues sometimes adhere after an operation.

手术之后腹部有时会出粘连。

The advent of the Euro will redefine Europe.

欧元的出重新定义欧洲。

Victory was dawning on the battle front.

战场上出了胜利的曙光。

She had an ulcer in her mouth.

她口腔出现溃疡。

A crescent moon peeped out from behind the clouds.

一弯新月从云中出现。

The sun was peering through the clouds.

太阳从云中隐约出现。

A difficulty has cropped up at work.

工作中突然出现困难。

Trouble has blown up at the school.

学校里开始出现麻烦。

So not only super-harmonic,also subhar monic and stochastical oscillation will appear.

因而，系统不但出现高次谐波，而且还将出现亚谐波及动现象。

The moon peeped out from behind the clouds.

月亮从云层中隐约出现。

A dark cloud loomed up over the horizon.

一乌云突然出现在天际。

I was completely nonplussed by his sudden appearance.

他突然出现吃一惊。

A fungus of ugly little houses sprang up.

突然出现一排难看的小屋。

Instability may arise at times of change.

变革时期可能会出现动乱。

The ship took on a dangerous cant to port.

船只出现向左舷危险倾斜。

Misprints often crop up in the papers.

报上常出现印刷错误。

A note of discord crept into their relationship.

他们的关系出现了裂痕。

A job fell vacant in the accounting department.

财会部出现了一个空缺。

Earthquake pitted the surface of the earth.

地震地面出现了凹陷。

A warder appeared at the cell door.

一个看守出现在牢门口。

Abdominal tissues sometimes adhere after an operation.

手术之后腹部有时会出现粘连。

The advent of the Euro will redefine Europe.

欧元的出现将重新定义欧洲。

Victory was dawning on the battle front.

战场上出现了胜利的曙光。

She had an ulcer in her mouth.

她口腔出现溃疡。

A crescent moon peeped out from behind the clouds.

一弯新月从云中出现。

The sun was peering through the clouds.

太阳从云中隐约出现。

A difficulty has cropped up at work.

工作中突然出现。

Trouble has blown up at the school.

校里开始出现麻烦。

So not only super-harmonic,also subhar monic and stochastical oscillation will appear.

因而，系统不但出现高次谐波，而且还将出现亚谐波及随机振动现象。

The moon peeped out from behind the clouds.

月亮从云层中隐约出现。

A dark cloud loomed up over the horizon.

一乌云突然出现在天际。

I was completely nonplussed by his sudden appearance.

他突然出现使我大吃一惊。

A fungus of ugly little houses sprang up.

突然出现一排看的小屋。

Instability may arise at times of change.

变革时期可能会出现动乱。

The ship took on a dangerous cant to port.

船只出现向险倾斜。

Misprints often crop up in the papers.

报上常出现印刷错误。

A note of discord crept into their relationship.

他们的关系出现了裂痕。

A job fell vacant in the accounting department.

财会部出现了一个空缺。

Earthquake pitted the surface of the earth.

地震使地面出现了凹陷。

A warder appeared at the cell door.

一个看守出现在牢门口。

Abdominal tissues sometimes adhere after an operation.

手术之后腹部有时会出现粘连。

The advent of the Euro will redefine Europe.

欧元的出现将重新定义欧洲。

Victory was dawning on the battle front.

战场上出现了胜利的曙光。