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
They're both very good buys.
这两栋都是价格便宜的。
Sob, I lost.
呜呜，我又输了。
Summer comes after spring. It is the hottest season.
春天之后是夏天。夏天是最热的季节。