All the causes of alcoholism are not discovered yet.

但目前，人们并未发现酗酒的全部原因。

youdao

The secret was not discovered until he was dead.

直到他死后这个秘密才被人发现。

youdao

China has not discovered any similar incidents.

中国没有发现类似情况。

youdao

Lee soon discovered that it would not be easy to break out of the trap that Richmond and Petersburg had become.

VOA: special.2009.12.17

So, what happened, of course, after he discovered the nucleus, not surprising, he won a Nobel Prize for this - I would hope that he would.

虽然这里面有点复杂，当时发生了什么呢？,当然，发现原子核后,他毫无意外。

麻省理工公开课 - 化学原理课程节选

Well, I think that, if I'm not mistaking, he discovered America.

我想，如果我没弄错的话，是他发现了美洲。

向哥伦布学习 - SpeakingMax英语口语达人

Because of bad weather and the remoteness of the area, their bodies were not discovered until 25 May.

BBC: Work starts on remote war grave on Ben More Assynt

Archaeologist Stephen Dean said there were two theories to explain why the latest finds were not discovered sooner.

BBC: Staffordshire Hoard inquest rules most new items treasure

It would have been worse, had the Hungarian state bus operator not discovered a sudden need for new buses in December.

ECONOMIST: Falling to earth