So, you already have a hint that methyl groups are never in the middle, they always have to be on the outside.

那么，你已经得到了一个提示,那就是甲基永远都不可能在中间，它们总是在外侧。

麻省理工公开课 - 化学原理课程节选

I mean, there are lots of students in my year, students that I know that they are already pretty successful

许多学生在我这个年纪已经非常成功了，

我喜欢的教授 - SpeakingMax英语口语达人

They say: Oh, these ladies are too quick; We get there too late, they've already given birth by the time we arrive.

她们说：希伯来妇女们动作太快;,我们到的晚了我们还没有到，她们已经生产了。

耶鲁公开课 - 旧约导论课程节选

Chapters 2 and 4 are really reviews of things that you probably already know something about, so they're reviews of basic chemistry.

第二章和第四章是对,一些你可能已经知道的,基础化学,蛋白质及生物化学知识的复习

耶鲁公开课 - 生物医学工程探索课程节选

So they are trying to take the criteria that are already well established and human rights and saying we need to look again at what is torture, we need to look at imprisonment we need to look at all sorts of things related to human dignity.

如此一来，他们就在挑战,那些已经确立好的标准,以及人权法的内容,要求大家重新审视“酷刑“的定义，重新审视“监禁“的定义,还有所有与人类尊严相关的事物,还有所有与人类尊严相关的事物。

普林斯顿公开课 - 人性课程节选

They thought everyone who'd be taking this class would be taking it because they are already really happy and they want to study about how amazing they are.

他们认为每个上这门课的人会上这门课,是因为他们已经很幸福了,他们想研究自己到底有多棒。

哈佛公开课 - 幸福课课程节选

The people are sinning, they've already gone astray, and he says: I'm through. I want to destroy the nation, and I'm going to start a new nation again from you, Moses.

人们在歌唱，已经误入歧途，上帝说：我已经看到了，我要摧毁这个国家，我将以你的后裔建立一个新的国家，摩西。

耶鲁公开课 - 旧约导论课程节选

Plus,if you're looking for insulin, if you're looking for the gene for insulin you're going to cells that are making it already, they have abundant messenger RNA so it's much easier to separate out and identify the gene that you're interested in.

再者,如果你在找胰岛素,如果你在找胰岛素基因,你要到,正在制造胰岛素的细胞里找,里面有丰富的mRNA,所以更容易分离,并识别出你感兴趣的基因

耶鲁公开课 - 生物医学工程探索课程节选