如果你得到一个机会——就抓住它;
如果你得到了晋升怎么办?
如果你得到错误的数字,忘了吧。
No, no. But if you have a UROP, or you have a sports practice or something, we will allow that.
不行,但是如果你得到本科生研究计划,或者你要进行体育锻炼,我们是能够接受的。
You know what you are going to get if you go somewhere you've been before, so.
如果你去你以前去过的地方,你知道你会得到什么。
If you divide the two of them through you will get 6.02 times 10 to the plus 23 per mole.
如果你除以他们两个,你会得到6。02*10^摩尔。
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