Odontolite
[医] 牙垢, 牙积石
🗣️ 情景例句
Yes, come on.
是的， 过来。
If you have no questions, may I go on to the next stage?
如果你们没有问题了，我可以进行下一阶段吗？
They had little difficulty in finding it,
他们没费多大事儿就找到了盘子。