"To mention an example, we have found that about eighty percent of all genes that are known to be associated with human disease have a counterpart in frogs.

VOA: special.2010.06.29

And the dialogue ends with one of the great moving death scenes in western civilization and as Plato says-- let's get the quote here exactly right-- "Of all those we have known, he was the best and also the wisest and the most upright."

然后对话以一个,西方文明史上最伟大感人的死亡场景结束,用柏拉图的话说,让我们引用的更准确些,在我们所知的所有人中,他是最好,最有智慧,最正直的人

耶鲁公开课 - 死亡课程节选

So you know, that's not a class that MIT is... subject MIT is typically known for, but we have everything, so...

你知道，麻省理工学院没有什么特别出名的课程，但是我们的课程涵盖一切领域。所以……

求学热十足的学校 - SpeakingMax英语口语达人

"We are encouraging people who have gone to the VCTs and have known their status - because that fear has been removed - to come forward now to us and give us blood."

VOA: standard.2010.06.04

Third, we have a set of offerings known as well-being offerings, "peace offerings" it's sometimes translated.

第三种供奉的方式是健康祭品，又是被翻译为“和平祭品“

耶鲁公开课 - 旧约导论课程节选

"Iraq has known many challenges. And in the past several weeks we have seen that there are still those who would kill innocent men, women and children to deny the Iraqi people the future they deserve.

VOA: standard.2009.11.08

I think it's pretty widely known that asset allocation is far and away the most important tool that we have available to us as investors.

我认为,人尽皆知,资产配置是,投资者可用的工具中,最重要的工具

耶鲁公开课 - 金融市场课程节选

"We will strengthen Pakistan's capacity to target those groups that threaten our countries and have made it clear that we cannot tolerate a safe haven for terrorists whose location is known and whose intentions are clear,".

VOA: standard.2009.12.06

We have formulas for these present values and these formulas are well known.

我们有几个公式,来计算现值,这些公式相当有名

耶鲁公开课 - 金融市场课程节选