Nappe
n. (圆锥曲面的)叶
🗣️ 情景例句
I have perfect vision.
我的视力非常好。
Sorry to have kept you waiting.
抱歉使你久等了。
why have we had no visitors from outer space yet?
那么我们为什么还未见到外层空间来访的客人呢？