Tooth staining
[医] 牙染色法
🧩 词语组成解析
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
[医] 染色法, 染色
🗣️ 情景例句
Lots of special country things.
有许多特别的乡村趣事。
He who makes no mistakes makes nothing.
不犯错误者一事无成。
5 What makes you feel that you are doing well?
5。是什么使你感到自己干得不错？