Monendomorphism
单一自同态
🗣️ 情景例句
No. Thank you.
不用了，谢谢。
We know that you are leading exporters of coal and you can provide the quantity we need.
我们知道贵方是主要煤炭出口商，能满足我们的需求量。
An old woman is standing at the side of the road.
一位老大娘站在靠近红绿灯的路边。