But dogs are also proving their worth off the field of battle by helping wounded soldiers recover.

VOA: standard.2010.05.18

Physiologists ran tests, showing, proving scientifically the limit of human ability was running the mile in 4 minutes.

生理学家进行实验，在科学上展示证明人类能力极限,是四分钟跑一英里。

哈佛公开课 - 幸福课课程节选

These are all my proofs to support all the things that I've already told you, but I'm not going to bother proving it, it would take too long.

以上是我给大家所讲的论据,虽然我不介意给大家论证一下,但是那会占用太多时间

耶鲁公开课 - 古希腊历史简介课程节选