Tooth germ basement
[医] 牙胚基
🧩 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
know that I'm running for office
知道我正在竞选公职，
To catch the ball
捕球
The answer is easy! said the doctor.
“答案很简单！”医生说。