Bijection
[计] 双射, 一一对应
🗣️ 情景例句
As your uncle, I have always tried not to interfere in your affairs and I don't intend to begin now.
作为你的叔叔，我尽量避免干涉你的事情，我现在也不打算这样做。
A test pilot needs plenty of nerve.
飞行试飞员需要极大的勇气。
German is a more difficult language than English is.
德语比英语难学。