Their air force had been neutered before the work began.

在行动开始之前，他们空军部队的战斗力就已经被瓦解了。

《柯林斯英汉双解大词典》

There was additional work to be done before all the troops would be ready.

在全军准备就绪之前还有些事情要做。

《柯林斯英汉双解大词典》

Scientists typically do their most creative work before the age of forty.

科学家通常在40岁之前完成他们最具创造力的工作。

youdao

A doctor in Illinois remembers that before his internship, he wanted to work in crisis medicine in the emergency room.

VOA: special.2009.06.02

Many of those figures who belong to the New Critics did much of their important work before they arrived at Yale.

很多来自新批评派的名人,在到耶鲁教书前就已经做了很多重要的工作。

耶鲁公开课 - 文学理论导论课程节选

I did an internship with the company that I work for now before coming out here,

我之前在现在的这家公司实习过，

找房子不难 - SpeakingMax英语口语达人

The Bishop of Basingstoke, the Right Reverend Peter Hancock, led prayers at the grave site before the work started.

BBC: St Bartholomew's Church, Winchester

The layout of roads leading to and from the bridge are to be completed before the work starts on 11 February.

BBC: Kessock Bridge. Pic: Dan Holland

Before the work is done, an appraiser will estimate what the house will be worth after all of the renovations are completed, using the estimates contractors have submitted.

WSJ: How to Finance a Foreclosed Home--WSJ House Talk