In terms of where different atoms are in a molecule, if you have a hydrogen atom or a fluorine atom, you can pretty much guarantee they're always going to be terminal atoms.

对于不同原子在分子中的位置，如果你有一个氢原子或者一个氟原子，那你基本可以保证,它们总是最末端的原子。

麻省理工公开课 - 化学原理课程节选

C H 3 So any time you see c h 3 here, remember that that's methyl and that's going to be a terminal group.

因此一旦你看到，记得这就是甲基,而且只能在结构的末端。

麻省理工公开课 - 化学原理课程节选

So among your printouts are a couple of files one called condition1.c. I'm going to change over to my terminal window.

在你们的打印输出中有几个文件,其中一个叫做condition1，c，我将,改变我的终端窗口。

哈佛公开课 - 计算机科学课程节选