He genuinely stumbled upon this exceptional discovery.

这真是他偶然间发。

When I stumbled upon this need, I had a lot of good things happening in my professional career.

当我偶然发这种需要时候，在我职业涯中发了好多好事。

He came upon a strange-looking house and rang the doorbell.

他偶然发了一座奇形怪状房子，然后按响了门。

And perhaps surprisingly it was discovered by accident... twice.

也许令人惊讶是，它是偶然被发，是两次。

It was actually discovered, by accident, in 1938.

实际上，它是在1938年被偶然发。

As you're reading and listening to others, you may stumble upon a startling realization.

当你在阅读和倾听时候，你可能会偶然有个惊人发。

Because that's when you stumble upon the greatest revelations.

此刻，正是你偶然发最伟大启示时候。

What Fleming stumbled upon was a microbial defense system.

弗莱明偶然发是一种微物防御系统。

And it was for me, it was an accidental discovery.

对我来说，这是一个偶然发。

Um, boys, I think I've stumbled across a delicious sauce.

兄弟们，我想我偶然发了一种美味酱汁。

" It was-a sort of accident that I found out."

“我是——我是偶然发。”

Over the eons, nature has stumbled on many different ways of desquishifying organisms.

亿万年来，大自然偶然发了许多不同物脱水方法。

Many important sites have been found in this accidental way.

许多重要遗址都是以这种偶然方式被发。

But, while he was there, he stumbled upon his life's work.

但是，当他在那里时，他偶然发了他此事业。

These fat-based stem cells were discovered by accident.

这些脂肪基干细胞是偶然被发。

The adjective form of the word is even more fun to say -- " serendipitous" !

而它形容词形式——" 偶然发" 用起来更有意思！

Many of the first medicines were discovered by chance.

许多最早药物都是偶然发。

Pluto, therefore, was found by accident.

因此，冥王星是偶然发。

Anemia of chronic disease is usually discovered incidentally, during the workup for the chronic disease process.

慢性病性贫血通常是在慢性疾病检查过程中偶然发。

It was happened upon by accident.

它是在偶然情况下被发。