Clappet
[建] 止回阀
🗣️ 情景例句
Do you mind if I smoke?
我抽烟你介意吗？
I've got a terrible pain in my back.
我的背很痛。
All the bees that had been at the nearby place were doing the circling dance.
所有在近处点的蜜蜂在跳一种完全不同的舞蹈，一种摇摆舞。