比如，试着让一张纸绕其中心轴旋转，看看有多困难。

For example, you can try to measure how hard it is to spin this sheet of paper about an axis that is in the center of it.

youdao

他点了一下信箱，看看有没有新的邮件，他失望的叹了口气，依旧是一片空白，他一直不明白自己疯狂的写了这么多恐怖小说为什么没有一篇能够被杂志社采纳？

He ordered a new mail box, look, he disappointed sigh, is still blank, he always does not understand oneself crazy wrote so many horror novel why no one can be adopted magazine?

youdao

让我先看看有没有空的单人间。哦，还有一些。但是你必须多支付50美元。

Let me take a look if there is any single room left. Oh, yes, there are some. But you have to pay an extra 50 dollars then.

youdao

让我先看看有没有空的单人间。哦，还有一些。但是你必须多支付50美元。

Let me take a look if there is any single room left. Oh, yes, there are some. But you have to pay an extra 50 dollars then.

youdao