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

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

Objective: To investigate the treatment of senile acute severe cholangitis.

前言：目的：探讨老年急性重症胆管炎患者的治疗。

The clinical characters of senile depression and the treatment study of citalopram

老年抑郁症的临床特征及西酞普兰的治疗效果

Study on medicine safety of senile outpatients with coronary heart disease and related factors

门诊老年冠心病患者用药安全状况及其影响因素的研究

Influence of Senile Coronary Heart Disease and Insomnia on Heart Rate Variability

老年冠心病以及失眠对心率变异性影响的研究

A study on correlation between self-efficacy and depression of senile patients in community

社区老年人自我效能感和抑郁的相关性研究

Objective: to find the effective medicine for preventing senile dementia.

前言：目的：寻找有效的治疗老年性痴呆的药物。

How could you? Unless you're going senile.

怎么会的？除非你变老了。

Effect of the programmed health education on the psychology of senile hypertension patients

程序化健康教育对老年高血压患者心理状态的影响