Versus looking at, for example, helium or neon or argon, these are all inert gases, inert meaning essentially do not react, those were grouped together in the periodic table.

相反，他发现氦，氖，氩，都是惰性气体，惰性的意思是基本不参与化学反应，因此把它们放在周期表中的同一类里。

麻省理工公开课 - 化学原理课程节选

There are two types of adaptive immune responses and they're called humoral immune responses.

获得性免疫反应有两类,一种是体液免疫反应

耶鲁公开课 - 生物医学工程探索课程节选

And I suppose you would have both of the responses.

我想，您对此会有两类反应。

普林斯顿公开课 - 人性课程节选

It gets produced in response to a signal so there's a binding of a ligand to a receptor, the enzyme that does this conversion is activated and more cycle AMP is released.

这类分子的产生是对信号做出的一种反应,当配体和受体结合时,催化这种转化过程的酶被激活,更多的cAMP释放出来

耶鲁公开课 - 生物医学工程探索课程节选