Tooth bulb
[医] 牙胚, 牙蕾
🧩 词语组成解析
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
bulb
[bʌlb]
n. 球茎，块茎植物;电灯泡;[解剖学]肿块;
🗣️ 情景例句
What business are you in?
你从事哪一行？
It's a sunny day.
今天是个艳阳天。
That's all right. Thank you. Goodbye!
好的。谢谢你，再见！