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
It's nice seeing you.
非常高兴见到你。
The fork is dirty, Would you bring me a clean one, please?
这叉子是脏的，请你拿个干净的给我。
People had to use other ways to record information.
人们只得使用其他方法记录资料。