So if we add them all up, there should be no net charge on the molecule, if the molecule is neutral.

因此如果我们把它们都加起来，这个分子上应该没有净电荷，如果这个分子是中性的话。

youdao

Such as if you hit the U key, it displays all keyframes, but if there are no keyframes, it shows nothing.

比如，如果你按U键，会展开关键帧，但是如果你没有关键帧，就不起什么作用。

youdao

Conflict: if there's nothing to do on a site, then it doesn't matter if all your friends are there or not.

矛盾：如果在一个网站上没有什么可干的，那么你的朋友在不在哪儿都无关紧要了。

youdao

"There,and if I haven't gone and tired you all out with my talkin'!"

VOA: special.2010.05.15

So if we add them all up, there should be no net charge on the molecule, if the molecule is neutral.

因此如果我们把它们都加起来，这个分子上应该没有净电荷，如果这个分子是中性的话。

麻省理工公开课 - 化学原理课程节选

As we all know, this only works if there is a pointee, which kind of gets back to rule number one.

众所周知，只有当有指针数据时，这个才起作用，这有点像第一条规则。

哈佛公开课 - 计算机科学课程节选

But you will only get them up there if all the others do their job well.

FORBES: Nestle Chairman: 'Don't Go to the Top.'

If all there is an an editorial and then capitulation, then you are right.

FORBES: FATCA Makes Foreign Banks Report Americans

After all, if there are no vacancies, the agency cannot punish job-seekers for failing to apply.

ECONOMIST: The crunch may entrench unemployment