Polycylinder
多柱面, 多圆柱(体)
🗣️ 情景例句
I know you don't understand but you will just have to accept my opinion this time.
我知道，你或许不能理解，但这次你必须接受我的意见。
I'm afraid you will be discouraged.
我怕你会灰心。
I can't get down.
我下不来了。