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
He thinks he'll be accepted,
他觉得他会被录取。
Reputation is often got without merit and lost without fault.
无功得名是常事，无过失名也是常事。
Don't touch anything unless your teacher tells you to.
除非老师允许，否则你不要动任何东西。