旅行的第一段我们乘的是火车。

We did the first stage of the trip by train.

《牛津词典》

我们乘电梯到了第14层。

We took the lift to the fourteenth floor.

《柯林斯英汉双解大词典》

我们乘电梯到了第14层。

We took the elevator to the fourteenth floor.

《柯林斯英汉双解大词典》

So, shared electrons are the ones that are shared between the carbon and the nitrogen, so we have 6 shared electrons, and we want to take 1/2 of that.

共用电子是那些在碳和氮之间,被它们共用的电子，那么我们有六个共用电子，然后我们要给它乘上二分之一。

麻省理工公开课 - 化学原理课程节选

The second one is, this multiplicative constant here is 3, in some sense also isn't all that crucial.

我们需要乘的常量是，在某种意义上来说这也不是很重要，对你的程序来说要运行300年。

麻省理工公开课 - 计算机科学及编程导论课程节选

So we're going to typically also not worry about the multiplicative constants. This factor here.

要乘的常量这个因素太关注,我们真正需要关注的是。

麻省理工公开课 - 计算机科学及编程导论课程节选