"Anyone can always come up with a project that you have to kill an animal to measure something,".

VOA: standard.2010.01.05

If you're a bacterium your whole life is about swimming to nutrients and running away from things that would kill you.

假如你是一个细菌,你的一生将会在追逐养分,和逃避敌害中度过

耶鲁公开课 - 生物医学工程探索课程节选

But since you live on the other side, I'm a brave man and it is right that I kill you."

但是你却在另一边,那我就是英雄,杀你就是天经地义的"

耶鲁公开课 - 欧洲文明课程节选

So if you're curious this one I'm gonna kill off - because it will take a little while-- you'll find that available on the cloud if you'd like to experiment whether or not you're doing that edition or the other.

由于时间关系，我就现将其关闭,如果大家觉得好奇-,可以自己尝试一下,不管你是否选择将这个版本作为,实验内容。

哈佛公开课 - 计算机科学课程节选

- If you eat these raw, which they do in many places around the world, if you eat a bitter one, you could, in fact, get enough cyanide to kill you.

如果你生吃它们的话，它们在世界上的很多地方都存在，如果你吃了一个苦的根，可能，实际上，它所含的氰化物的量足以令你死亡。

麻省理工公开课 - 化学原理课程节选

In fact you do not have to kill any animals for this kind of research because we do everything in a test tube.

其实，做这种研究,你根本用不着杀害任何动物,因为试验都是在试管中进行的。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

If I strike you in a vulnerable place with a stick that has a bronze butt on it, it could well kill you.

如果我用一根有铜质尾部的棍子,刺你的软肋的话,很可能就是一击必杀

耶鲁公开课 - 古希腊历史简介课程节选

Now, no doubt, you can kill people in a lot of different ways.

毋庸置疑,杀一个人的办法很多

耶鲁公开课 - 死亡课程节选

You can only kill just a few people while they're still defending themselves in this manner.

在他们以方阵的方式防御时,你能击杀的人数是有限的

耶鲁公开课 - 古希腊历史简介课程节选