It's going to do a lot of type checking for you before it actually passes things back.

它会在将输入值进行计算之前,做很多类型检查。

麻省理工公开课 - 计算机科学及编程导论课程节选

It's just a general checking, but it's always coming back into the breath.

是一种总体检查，但总是要回归到呼吸上。

普林斯顿公开课 - 人性课程节选

And also I wanted to mention in terms of checking your Lewis structures, regardless of what they are, you should always go back and I had 10, and then count 2, 4, 6, 8, 10, because you always need to make sure you have the same number of valence electrons that you calculated in your actual structure.

我还想提一点关于检查,你的路易斯结构的建议，不管它们是什么，你总是应该回去检查一下,我有十个，然后数一数，二，四，六，八，十个，因为你总是需要确保实际价电子的数量,与你在结构中算出的数量相等。

麻省理工公开课 - 化学原理课程节选