Bijection
[计] 双射, 一一对应
🗣️ 情景例句
Sounds like a great way to solve the problem.
听起来好像是个解决问题的好办法。
Laugh at your ills, And save doctors' bills.
生病不忧虑，节省医药费。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。