Bijection
[计] 双射, 一一对应
🗣️ 情景例句
Can I have your attention, please?
请大家听我说。
If you live with a lame person, you will learn to limp.
远朱者赤，近墨者黑。
that is something like 6,000,000 spiders of different kinds on a football pitch.
这就是说，在一个足球场上约有600万只不同种类的蜘蛛。