🧩 词语组成解析
n. 奎恩（姓氏）
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
Much water runs by the mill that the miller knows not of.
当前发生诸种事，大多为人所不知。
What time would be good for you?
什么时间你合适呢？