他们发现他心情沮丧而消沉。

They found him in a gloomy, downbeat mood.

《柯林斯英汉双解大词典》

他们发现他晕倒在地板上。

They found him lying unconscious on the floor.

《牛津词典》

他们发现他有一个私生子。

They discovered he had an illegitimate child.

《柯林斯英汉双解大词典》

If he switched from gold to let's say iron, he also tried platinum, a number of different foils, he found that they count rate it still was 20 alpha particles per minute.

金箔的时候，计数率就变成零了,如果他把金换成比如说铁，他们还尝试了铂,还有一系列其他的箔片，他发现计数率还是每分钟。

麻省理工公开课 - 化学原理课程节选

There were other people around. Someone else would help," but we know by looking at it that this difference makes a real difference.

我身边还有其他人，他们会帮他的”,但如果我们细究起来,会发现这种差别能产生重大影响。

耶鲁公开课 - 心理学导论课程节选

And then he caught on at the University of Montpellier, and then they realized that he was a Jew, so he was gone.

然后他去了蒙比利埃大学,他们也发现他是犹太人,所以他又走了

耶鲁公开课 - 1871年后的法国课程节选