And cities across the United States will continue to prepare for the worst, in exercises like this one, so if another attack occurs, they will be ready for it.

VOA: standard.2010.03.30

Well, that process occurs in a series of steps and one of those kinds of steps is shown here.

这个过程的发生包含一系列步骤,而这些步骤中的一个步骤即如图所示

耶鲁公开课 - 生物医学工程探索课程节选

I was talking last time about the concept of election or choice, God's choice of Israel, Israel as the chosen one, which occurs for the first time in the Book of Deuteronomy.

我上节课提到了“选择“这一概念，上帝选择了以色列，以色列成为选民，这一概念第一次出现在《申命记》中。

耶鲁公开课 - 旧约导论课程节选

You start with liquid metal one, liquid metal two, you have the atom ratios proper, they mix, electron transfer occurs and poof, it is clear and colorless. Sorcery.

从液态金属一，液态金属二开始，你有合适的原子比例，混合它们，电子转移发生且被证实了，产物是透明无色的，有点辣味。

麻省理工公开课 - 固态化学导论课程节选

One kind of cellular communication occurs by similar mechanisms to what we were talking about.

细胞通讯中的一种,与我刚才讲过的信号转导的机制相似

耶鲁公开课 - 生物医学工程探索课程节选

And each time one of these errors occurs, or you get multiple errors that compound each other, then you've got a lot of potential error introduced in these messages.

每当有误差发生,或多重误差复合叠加,然后你所得到的信息,就会包含很多潜在的误差

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Star one says death occurs when personality stops functioning.

星号一说，死亡在人格功能停止时发生。

耶鲁公开课 - 死亡课程节选

Socrates writes in Book VIII, 561c, "speaking of the democratic soul, the democratic man, he also lives along day by day gratifying the desire that occurs to him, " at one time, drinking and listening to the flute."

苏格拉底在第，VIII，册的，561c，处讲到，“说到民主灵魂，民主人士，他们也是每天,都满足于所发生的欲望，偶尔小酌及聆听笛音“

耶鲁公开课 - 政治哲学导论课程节选

And sometimes it occurs in one passage, as in the flood story here, and sometimes it occurs in stories or passages that are separate from one another, for example, the two creation stories.

有时，会出现在一段文章中，就像大洪水的故事，有时，会出现在完全不相关的两个故事或者文章中,比如说，两个创世纪的故事。

耶鲁公开课 - 旧约导论课程节选

This is the codon, this is the anti-codon, there's only one anti-codon that matches this one and that anti-codon is always - occurs in a molecule that has leucine attached to the other side.

这是密码子,这是反密码子,只有一个反密码子与之对应,而反密码子的另一端,总是携带着一个亮氨酸

耶鲁公开课 - 生物医学工程探索课程节选

My death occurs at star one.

我的死亡发生在星号一。

耶鲁公开课 - 死亡课程节选

Synthesis always occurs in one direction and that makes sense to you now because you know there's a directionality and the chemistry is different going one way than the other and this DNA polymerase only works on the chemistry going in one direction.

NA复制过程是单向的,现在你们该明白原因了,因为DNA单链有方向性,DNA在两个方向上化学性质不同,DNA聚合酶,只在一个方向上起作用

耶鲁公开课 - 生物医学工程探索课程节选