You may run into upper-class students, students who are more advanced, you will run into your TA.

你可能会碰上高年级的学生,他们比你的水平要高,当然还有助教

耶鲁公开课 - 基础物理课程节选

And you know, sometimes you run into people that you haven't seen in a while, so it's nice.

你知道，有时候你碰上一些好久不见的人，这很好。

有趣的宿舍生活 - SpeakingMax英语口语达人

If you go there on the third floor of Sloane, you may run into other people like you who are trying to work on problems.

当你到了斯隆实验室的三楼,你可能会碰上其他,和你一样正在解决难题的同学们

耶鲁公开课 - 基础物理课程节选

In cases where you have a hard decision to make, you know you're not racist.

假如你碰上一个难以抉择的情况，你知道你不是种族主义者。

耶鲁公开课 - 心理学导论课程节选

And so that when they come together, they come together in a trot.

所以当两军碰上,他们都一路小跑

耶鲁公开课 - 古希腊历史简介课程节选