Cavities
n. 腔, 洞( cavity的名詞復數 ); （齲齒的）洞
? 同義詞
??? 情景例句
I'm sorry you can't come with us, Susan.
很遺憾你不能同我們一起去， Susan。
The sight of the food made my mouth water.
看見食物，我就垂涎欲滴。
Is everyone here today?
今天每個人都到嗎？