A fireman accidentally discovered the cause of the fire.

一个消防队员偶然发现了起火的原因。

youdao

Then the little rat's nest of bills accidentally discovered in the 7-year-old's room.

但后来却不小心在7岁儿子的房间里发现了一个藏钱的小鼠窝。

youdao

Historians suspect that it was accidentally discovered when our ancestors' grain stores were drenched with rain and fermented by the Sun.

历史学家们怀疑，由于我们的祖先存储的谷物被雨淋湿后又被阳光发酵，因此偶然发现了这种物质。

youdao

The Roman historian Pliny said that Phoenician sailors accidentally discovered how to make glass over three thousand years ago.

VOA: special.2009.09.16

Among the tricks of the spy trade the book reportedly reveals is MI6's accidentally discovered method of transferring secret messages.

BBC: Spy tactics revealed by book

Soy sauce was discovered accidentally -- a byproduct of the miso-making process.

CNN: SHARE THIS

What would you do if you discovered that your bank had accidentally extended you 100x more credit than you were approved for?

FORBES: Bank Error in Your Favor?