两节火车车厢已经挂上钩了。
上完头两节课,有十分钟的课间休息。
The first two classes are followed by a break of ten minutes.
在放学前我们还有两节课。
I should have read it a lecture or two ago when I started talking about immortality, but I misplaced it.
我应该在一两节课之前读它,即在我开始谈论永生的时候,但是我当时把它放错地方了。
I thought I would just remember a couple of highlights from the first two lectures to consolidate what we said then.
我想再重申一下,上两节课的几个重点,以便巩固我们讲过的内容。
I said this sentence in one of the first two classes, 'all cells are the same', and you know that's true.
我曾在头两节课的哪里讲过,所有细胞都是一样的,你们知道的
应用推荐