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 was faced with a new problem.
我面临了新的问题。
The bigger one.
大些的那个。
Also they make the tank look much prettier.
二来，它们还可以使容器看起来更漂亮些。