The exception is right there. It's an index error, that is it's trying to do something going beyond the range of what this thing could deal with.

但他事实上抛出一个异常，异常就在这里，这是一个下标错误,它是试图去取超出范围的元素造成的。

麻省理工公开课 - 计算机科学及编程导论课程节选

If I do this, try and get the 10th element of a list that's only eight long. I get what looks like an error, but it's actually throwing an exception.

如果我来这么做,试着去取长度为8的列表的第十个元素,我貌似能得到一个错误。

麻省理工公开课 - 计算机科学及编程导论课程节选

But what I'm going to tell you already is this is a case where, in fact, it's an exception to the idea that the lowest energy structure has the lowest ionization energy in the middle, and we can figure this out when we look at formal charge.

但是我已经告诉大家这个例子，实际上，是中心原子电离能最低的结构,的能量最低这一思路的一个例外，我们可以通过形式电荷看出这一点。

麻省理工公开课 - 化学原理课程节选

That says it's in here. It's in this tri-block. It raised an exception, but it wasn't and I O error.

这在这里它是一个try程序块,它报出异常，但他不是io错误。

麻省理工公开课 - 计算机科学及编程导论课程节选