Nilpotency
幂零性
🗣️ 情景例句
Oh, I'm sorry Susan isn't here.
啊 可惜Susan不在。
I should say you've caught a cold.
我看你感冒了。
It's on the edge of the lake that has been made by the Dam.
这座庙座落在由高坝形成的湖边上。