We'll then take a turn to talking about the periodic table, we'll look at a bunch of periodic trends, including ionization energy, electron affinity, electronegativity and atomic radius.

然后我们再开始讲元素周期表，我们会看到很多周期性规律，比如电离能，电子亲和能，电负性以及原子半径。

麻省理工公开课 - 化学原理课程节选

So, then all we need to do to determine which elements that corresponds to is take a look at our periodic table.

因此，我们需要做的只剩下,在元素周期表中寻找,对应的元素有哪些。

麻省理工公开课 - 化学原理课程节选

We know they can't sign a legal agreement, but let's take that off the table.

我们都知道不能签署违法合同,那就只能私底下签协议了

耶鲁公开课 - 博弈论课程节选