Choma
口环, 旋脊
🗣️ 情景例句
Never chew with your mouth open.
嚼东西时别张着嘴。
No. Forget about it. It's not important.
哪儿的话，别提这件事了，那不算什么。
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。