Polycylinder
多柱面, 多圆柱(体)
🗣️ 情景例句
Please go over it and see if everything is in order.
请再过目一下，看看是否都符合规定。
The mining area is centered large in the north.
那里的采矿区大部分集中在北部。
How old are you?
你多大啦？