Cavities
n. 腔, 洞( cavity的名词复数 ); （龋齿的）洞
✅ 同义词
🗣️ 情景例句
Don't forget to use primer first when you paint the house.
刷房子之前别忘了刮底漆。
It's a quarter past five.
现在是五点一刻。
That wasn't very clever! And you'd better take the shopping basket with you, too! said Mother.
“那是不够明智的！你最好顺便把购物篮子也带去！”妈妈说。