So a closed system would be, for instance, a glass of ice water with an ice cube in it, with the lid on top.

因此闭系可以是，比如说，一杯放了,一个冰块的冰水，顶上加了盖子。

麻省理工公开课 - 热力学与动力学课程节选

Everybody in this row close their eyes so you can't look around you.

这排的同学把眼睛闭上,这样你们就看不到周围了

耶鲁公开课 - 博弈论课程节选

On the three thousand two hundred eighty-seventh night of your Parisian affair, as I lay in Simois-mud picking vermin off the wound I got that day from cunning Pandarus, exhaustion closed my eyes.

在你和帕里斯发生关系后的第三千两百八十七夜,那个日子是狡猾的潘达洛斯告诉我的,我正躺在西摩伊斯河岸边，拣伤口上的虱子,疲惫让我闭上了眼睛。

耶鲁公开课 - 1945年后的美国小说课程节选

I mean probably those of you-- I mean I can see you people squirming right now when I--just at the mention of that-- so I'm not going to go through the process of having you close your eyes and imagine eating the cockroach.

我看到现在在座的有些同学,已经开始觉得恶心了,我只是提了一下,我又没真让你闭上眼睛,去想象吃蟑螂

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选