Epimorphism
满射
🗣️ 情景例句
Don't worry about it.
别介意。
He who likes borrowing dislikes paying.
爱借钱者不爱还钱。
It is not long before they are so accustomed to swimming that they can pick up weights from the floor of the pool.
他们很快便适应了游泳，以致能捡起池底的物品。