Activity variable
[经] 效率变量, 活动变量
🧩 词语组成解析
🗣️ 情景例句
Unbelievable. I've got to read her new book as soon as it comes out.
真了不起。她的新书一出版我就得读一读。
A friend is never known till a man have need.
不到患难时，永远不能认识真正的朋友。
are there, outside--or, as likely, part of--the tent.
因为汽车就停在帐篷外面，或者汽车本身可能就是露营帐篷的一个组成部分。