For the first time, a woman will be the keynoter at the convention this year.

For the first time he was able to speak freely without the fear of reprisals against his family.

他第一次能够直言不讳而不怕家人遭到报复。

This was the first time he had confronted an armed robber.

这是他第一次面对一个武装劫匪。

It was the first time in his life that he'd slept out of doors.

那是他有生以来第一次露宿。

An error was reported when he tried to write data to the file for the first time.

当他第一次尝试把数据写入文档时，报告说有错。

It was the first time I'd had visitors since I'd moved to London.

那是我搬到伦敦以后第一次有人来看我。

This is not the first time he has been investigated by the police for fraud.

这不是警方第一次调查他是否有欺诈行为。

I want you to cast your minds back to the first time you met.

我要你们回忆初次见面的情景。

I'll never forget hearing this piece of music for the first time.

我永远不会忘记第一次听到这首曲子的情景。

Is this the first time that you've flown?

这是你第一次乘飞机吗？

For the first time in years, she felt in command of her life.

多少年来第一次，她觉得生活掌握在自己的手里。

I'm not really expecting to pass first time.

我真不指望第一次就能合格。

It was the first time I had set foot on African soil.

那是我第一次踏上非洲大地。

You're bound to be nervous the first time.

第一次总是会紧张的。

It was the first time that she had lived independently.

那是她第一次独立生活。

It was the first time I had set foot on American soil.

那是我第一次踏足美洲大地。

He repeated none of the errors he'd made first time round.

他没有重复过首次所犯下的任何错误。

Analysis of trace element content in transparent lens and senile cataract lens

透明晶体与老年性白内障晶体中微量元素含量分析

Main pathogens and antimicrobial resistance in senile patients in 2005

2005年老年患者主要耐药菌及耐药性分析

He was too senile to stand trial as war criminal.

他太老了，身心衰弱以至无法作为战犯接受审讯。

Psychological status of senile patients with coronary heart disease after coronary stenting

接受冠状动脉支架置入老年冠状动脉粥样硬化性心脏病患者的心理特征