我们及时赶到火车站乘上火车。

We got to the station just in time to catch the train.

youdao

然后他乘上一辆电动高尔夫车仓皇而逃。

Then he drove off in an electric golf buggy.

youdao

也就是密度乘上体积。

Well, it's the density times the volume.

youdao

times 7, plus we have 6 in the sulfur, and oxygen is right above sulfur, so that also has 6.

二乘上七，加上硫的六个，而氧在硫的正上方，因此也有六个。

麻省理工公开课 - 化学原理课程节选

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

Again, I don't have data to back this up, but just common sense suggests to me that the common case is if I'm on the subway platform I want to get on that train and maybe I want to get back and where are those two buttons, right?

此外，我没有数据来备份这个，但是常识告诉我，常见的情况是,如果我站在地铁站台上，我想乘上地铁,可能我还想回来,那么哪里能找到这两个按钮，对不？

哈佛公开课 - 计算机科学课程节选