The head of a string of pigs appeared, snout-up, over the ditch, and he had to screech to a stop and watch the rear of the last pig disappear shaking into the ditch on the other side.

这时候出现了一群猪，仰着鼻子走过水渠，他只好用一个急刹车,目送着最后一只猪大摇大摆地跨过水沟,消失在另一端。

耶鲁公开课 - 1945年后的美国小说课程节选

What he has been trained to do, what he knows he needs to do is to fight forward and somehow step over her, step on her, do whatever he has to do to fill this hole.

他所接受的训练,他的知识告诉他,他要做的是向前进攻,设法从她身上跨过,或者踩在她身上,尽力去填补这个缺口

耶鲁公开课 - 古希腊历史简介课程节选

Now, sodium and potassium don't ordinarily move across membranes, they're charged molecules, they can't dissolve, they can't permeate through a cell membrane, but they go through because there are channels that allow them to pass through in the membrane.

钠和钾通常是不能跨过细胞膜的,它们都是带电粒子,它们不能溶解在细胞膜中,不能渗透通过细胞膜,但它们之所以能通过细胞膜,全赖膜上离子通道的作用

耶鲁公开课 - 生物医学工程探索课程节选

He said, "If I cross the Halys River, that's the boundary between Lydia and Persia, what will happen?" The oracle replied, "A great empire will be destroyed," And Croesus said, "Terrific that's what I have in mind."

如果我跨过了哈吕斯河,那是吕底亚和波斯的分界线,会有什么后果,神谕回答说,一个伟大的帝国将被摧毁,于是克洛伊索斯说,太棒了,正如我愿

耶鲁公开课 - 古希腊历史简介课程节选