在外的用法和样例：
例句
-
在外表上她保持着平静，但实际上她生气极了。
She maintained a calm exterior, though really she was furious. -
9个人进来，余下的人留在外面。
Nine people came in and the reminder stayed outside. -
玛丽写信时，孩子们在外面玩耍。
While Mary was writing a letter, the children were playing outside. -
那两样东西在外表上相同，但在本质上不同。
The two things are the same in outward form but different in essence. -
两个飞行舱在外层空间对接。
The two modules docked in outer space. -
你隔多久就在外面吃一次饭？
How often do you eat out? -
他已经习惯在外面吃饭了。
He is used to eating out all the time. -
工作日的时候我不在外面呆得很晚。
I don't stay out late on weekdays.
