心脏移植曾经一度被认为是不道德的——你怎么可以在一个人的胸部开个洞，然后把心脏移植到另外一个人的身体里呢？

Heart transplants were once considered immoral–how could you open the chest cavity of one person and transplant the heart into the body of another person?

youdao

我将住在学校附近，在一个很小的村庄里，并且我将住在一个教师的房子里，和另外两三个志愿教师住在一起。

I'll be staying near the school, in quite a small village, and I'll be staying in a teachers' house, living with two or three other volunteer teachers.

youdao

这些内核甚至可以是嵌套的，这样就允许一个客户内核在另外一个运行于主机内核的客户内核上运行。

These kernels can even be nested, allowing a guest kernel to run on another guest kernel that is running on the host kernel.

youdao

But what the Greeks spent most of their time doing was fighting each other, one hoplite phalanx against another hoplite phalanx.

但是希腊人在大部分时间里都是方阵对抗,一个步兵方阵和另外一个步兵方阵对垒

耶鲁公开课 - 古希腊历史简介课程节选

- And we can think about why -- essentially we have fluorine and now we're adding another electron. So you can picture that fluorine is going to get larger in this case And that would be true for all of the negatively charged ions.

我们可以想一想这是为什么-,本质上来讲我们现在给氟原子加上了,另外一个电子,因此大家可以想象在这种情况下氟将变大,而且这对于其它负离子也是成立的。

麻省理工公开课 - 化学原理课程节选

Moving a stack of size 3, again, if I want to go over there, I need to make sure I can put the spare one over here before I move the bottom one, I can't cover up any of the smaller ones with the larger one, but I can get it there.

移动上面的三个圆盘的话，我在移动最底下的圆盘之前，同样要确保剩下的,是在另外一个柱子上，因为我不能把大的圆盘,放在小的上面。

麻省理工公开课 - 计算机科学及编程导论课程节选