Well, I guess it's the problem that people who teach the eighteenth-century novel always have, or the Victorian novel: the Victorian novel like the triple-decker, the three-volume novel.

好吧，我猜这个问题是,讲授十八世纪小说,或维多利亚时期小说的人经常遇到的：,像维多利亚时期的三层小说，三卷本小说。

耶鲁公开课 - 1945年后的美国小说课程节选

Third floor is where I live. That's substance-free, no alcohol and no drinking.

我住在三层。那是无饮酒区，没有酒精，不许喝酒。

布朗的宿舍公寓 - SpeakingMax英语口语达人

When I started merging, I did merging three times across this whole board, this level, this level, and this level, and each time because of the way I was advancing my fingers I touched each number just once.

在整个过程中，我一共做了,三次合并，这一层，这一层，和这一层，而且每次,由于要前移手指，因此对每个数字,仅仅移动了一次。

哈佛公开课 - 计算机科学课程节选

So, in order to fill up our shell, what we need is 3 times 8 or 24 electrons.

因此，为了填满所有的壳层，我们需要三乘以八也就是二十四个电子。

麻省理工公开课 - 化学原理课程节选

We're like two-story, three-stories. That's about it.

我们一般建两层或三层的楼。一般就是这样。

美国的不动产市场 - SpeakingMax英语口语达人