Tooth form
[医] 牙型
🧩 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
You cannot believe how sorry I am.
你不知道我感到多么抱歉。
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
Since then, they have been trying to find out how the fire began.
从那时起，他们一直试图找出起火的原因。