Sometimes we refer to them as "great books"-- in other words, the sort of text that speaks, or we feel as though it's speaking, to all places and times.

有时我们把这些称作为“伟大的书“,也就是说，在各个时空都有影响力的那些作品。

耶鲁公开课 - 文学理论导论课程节选

The rest of these examples refer to receptors as I've been describing them and ligands that are soluble and can move around the body.

我接下来要讲的有关受体,以及能游走于体内各处可溶性的配体

耶鲁公开课 - 生物医学工程探索课程节选