Cementicle
[医] 牙骨小体, 牙骨质疣
🗣️ 情景例句
About three weeks. We'll have enough time for our talks.
大约三个礼拜，我们有足够的时间交谈了。
I will take a bus.
我将去搭公共汽车。
We can't go out because of the rain.
我们不能出去因为下雨了。