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
But our anniversary isn't until Saturday.
但是要到星期六才是我们结婚周年呀。
She fears Tom will drop out of school.
她担心汤姆会休学。
In the midst of all this movement, the weight and the pen would be still.
重物和笔都却不运动。