All right, so it's very common to talk about electronegativity of different atoms, and you can look up tables of these.

好，这是很常见的,对于不同原子电负性的讨论，大家可以查阅这方面的表格。

麻省理工公开课 - 化学原理课程节选

So anyway, when we talk about periodic trends, it doesn't always match up.

无论如何，当我们讨论元素周期律时，要知道它并不是总能与实际情况相符。

麻省理工公开课 - 化学原理课程节选

Because I stand up here and I talk about the one or more than one thing I know about and so it's easy to infer that I must know a lot but in fact by the time this semester ends I will have tell you told you everything I know.

因为我站在讲台上,我给你们讲我知道的知识,所以你们很轻易就推断出我一定懂很多,但其实到了学期末，我要告诉你们,我会的都已经教给你们了。

耶鲁公开课 - 心理学导论课程节选