Well, I talked about the problem of using plasmids in gene therapy, that it's very difficult to get them into cells.

我们之前讨论过,基因治疗中运用质粒的问题,质粒本身极难进入细胞

耶鲁公开课 - 生物医学工程探索课程节选

You might have thought before we started talking about molecular orbital theory that non-bonding was the opposite of bonding, it's not, anti-bonding is the opposite of bonding, and anti-bonding is not non-bonding.

你也许在我们讨论分子轨道之前,就想过非成键时成键的反面，它不是，反键才是成键的反面，反键不是非成键。

麻省理工公开课 - 化学原理课程节选

Back to our hypothetical, you know, our initial discussion of Flaming Hot Cheetos: by his definition that would not qualify as food.

再回过头来谈谈我们之前的假定,我们曾讨论过关于火焰辣奇多的问题,按照他的定义,奇多不能算作食物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We talked about the inevitability of death; we talked about the variability, that people have different lengths of time before they die.

我们讨论过了死亡的不可避免性;,我们讨论过了其可变性，不同的人在他们死之前有所的时间长度不同。

耶鲁公开课 - 死亡课程节选

But unlike the Cowpox virus, vaccinea, that we talked about before, this is the real disease causing agent.

但是同我们之前曾讨论过的,牛痘病毒疫苗的不同之处在于,这是可以直接致病的病毒

耶鲁公开课 - 生物医学工程探索课程节选

Now, moral feeling is what we'll start off with and we've already discussed this in a different context.

好了，道德情感,是我们首先要讲的一个方面,我们已经讨论过这个问题了,在之前的课堂上。

耶鲁公开课 - 心理学导论课程节选

Second thing, we started talking about the periodic table and I believe that it's a hallmark of any educated person in the 21st century who is technically literate to know the periodic table by heart.

第二点，我们之前讨论过元素周期表,我相信这是个标志性的特征,对于那些在21世纪里,用心去学习,元素周期表的人来说。

麻省理工公开课 - 固态化学导论课程节选

His first book was a translation of Thucydides' History of the Peloponnesian War, which he completed in 1629; Thucydides, the great historian of the Peloponnesian War, who we mentioned before when we talked about Plato.

他第一本书是对',修昔底斯《伯罗奔尼撒战争》的译著，这本书于1629年完成;,修昔底斯，伯罗奔尼撒战争中伟大的历史学家，这个人在我们之前讨论柏拉图时提到过。

耶鲁公开课 - 政治哲学导论课程节选

You'll notice I have the string with the number 1 MIT a string with MIT, and then it just a plain old number, not a string, again it didn't quite give me 3.3 for reasons we've talked before, a and now it in the list a.

你们可以看到这儿有个以字符串1,形式显示的数字1，1个字符串,还有一个非字符串形式的平常数字,结果并不是3。3，原因之前我们，已经讨论过了，还有一个在list中的。

麻省理工公开课 - 计算机科学及编程导论课程节选

One of the things that happens is that certain cells within your body process the vaccine or the antigen and we talked about that.

在人体内,发生的反应之一是,特定的细胞对疫苗或者抗原做出反应,之前我们讨论过这个

耶鲁公开课 - 生物医学工程探索课程节选

And so, I'm not going to spend any time on this because we've discussed it in detail, but we know from previous lectures that people will be generous to others.

这一点我就不费时详解了,因为我们之前已经详细讨论过，我们从之前的课堂上学到,人会对他人慷慨。

耶鲁公开课 - 心理学导论课程节选

So I said before when we were talking about single atoms, we always define the zero energy as when an electron was actually ejected, but now, when we talk about chemical reactions taking place, it's very, very rare that we're actually going to be talking about anything that gets to this point here.

我之前说过，当我们讨论单个原子的时候，我们总是把零点能,定在电子被发射出去以后，但是现在，当我们讨论化学反应发生的时候，非常非常罕见出现，确实达到,这种程度的情况。

麻省理工公开课 - 化学原理课程节选