20min是什么意思

After a few minutes our eyes got used to the darkness.

几分钟后我们的'眼睛就适应了黑暗。

The first two classes are followed by a break of ten minutes.

上完头两节课，有十分钟的课间休息。

I'll be back in a few minutes.

我一会儿就回来。

I'll give you ten minutes to prepare your answer.

我给你十分钟时间准备回答。

It was all over in a matter of minutes.

几分钟就全部结束了。