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
Harry, you didn't turn it down because of me …
Harry你拒绝它该不是因为我……
The years teach much which the days never know.
学问集年而成，而每日不自知也。
What shall we do today?
我们今天干什么？