Tooth decay
蛀牙
🧩 词语组成解析
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
🗣️ 情景例句
I hope to be able to join the school band.
我想加入学校的乐队。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
Same to you.
彼此彼此。