It's a common bacterium and most strains of E. Coli are not harmful to people, in fact, they provide us with some beneficial properties.

它是常见菌,且大多数种类的菌株对人类无害,实际上还给了我们颇多裨益

耶鲁公开课 - 生物医学工程探索课程节选

He's connected to both those strains as well as the modernist strain.

怀特同时具备两种特征,但我先不去区分。

耶鲁公开课 - 1945年后的美国小说课程节选

There is a whole mystical objectification of these people that's going on, that's allied to the religious strains of this novel, which I'm going to pick up again a little bit later on in my lecture today.

在此有将这些人的神秘感对象化，客体化，这也为小说增添了一些宗教色彩,关于这一点我还会在今天课堂的后部分中提到。

耶鲁公开课 - 1945年后的美国小说课程节选