When you bring a group of your friends back to your house, you're expecting to have a good time, : and your grandparent is there and says, "Oh, it's so good to see a bunch of young people.

当你带着,一群朋友回家，想要狂欢一下，但你的祖父母在家并说，“噢！看到一群年轻人真好。

耶鲁公开课 - 政治哲学导论课程节选

OK, so let's say some young engineer is on the job the first day and says, OK, let's put in 200 kg of tickle, and let's put in about 25 kg of mag.

比如一些年轻的工程师,刚来上班时会说，投入200kg的四氯化钛，投入25kg的镁。

麻省理工公开课 - 固态化学导论课程节选