如果它撞上了地球，就会砸出一个100英里宽的大坑并扬起巨大的尘埃云团。

If it had hit the Earth, it would have made a crater 100 miles across and thrown up an immense cloud of dust.

《柯林斯英汉双解大词典》

如果它引起了别人关注，那也很棒。

If it gets some attention from other people, that's awesome.

youdao

如果它让你说“呸”的话，扔了吧。

If it makes you say "yuck", throw it away.

youdao

If this were to be an absolute zero Kelvin, then we could we can have something, T2 Sorry, it's T2.

如果它等于绝对零度，我们可以，对不起，这是。

麻省理工公开课 - 热力学与动力学课程节选

Well, if this thing is going to vibrate for any length of time it better be a standing wave.

好的，如果它在任意时间振动,那它就是驻波。

麻省理工公开课 - 固态化学导论课程节选

So, let's go ahead and think about drawing what that would look like in terms of the radial probability distribution.

让我们来想一想如果把它的,径向概率分布画出来是怎么样的。

麻省理工公开课 - 化学原理课程节选