It was impossible-- doctors and scientists showed, runners, athletes, the top-ones in the world proved that the doctors were right.

那是不可能的，医生和科学家证明了，跑手，运动员，世上顶尖选手证明了医生们是对的。

哈佛公开课 - 幸福课课程节选

You kept your Social Security card and you pasted stamps on it that proved that you paid it.

你取得社会保障卡,并将邮票贴在上面,以此来证明你已支付过钱。

耶鲁公开课 - 金融市场课程节选

He actually recognized and, of course, many people recognized that this jellyfish was fluorescent, and he isolated the actual protein, and determined and proved that this protein was sufficient to cause this fluorescence.

他认识到了，当然，很多人都认识到了水母是有萤光的，它分离出了这种蛋白质，测定了它并证明,这种蛋白质会导致萤光。

麻省理工公开课 - 化学原理课程节选

In fact, doctors proved the 4 minutes for the mile was the limit of human ability.

事实上医生证明四分钟跑一英里,是人类能力的极限。

哈佛公开课 - 幸福课课程节选

And runners proved the doctors and scientists-- proved that they were right and ran the mile in two seconds and 4 minutes, one second, but no runner could run the mile in under 4 minutes, ever since the mile was actually timed-- when they started to time runs.

跑手们证明了医生和科学家…,证明了他们是对的,一英里跑四分钟两秒，四分钟一秒，但没有跑手能少于四分钟，从一英里跑计时以来-,当人们开始计时跑时。

哈佛公开课 - 幸福课课程节选