Odontolith
[医] 牙垢, 牙积石
🗣️ 情景例句
Don't let it get you down. it will be over with soon.
别为此烦恼。 事情很快就会过去的。
I will be going home in October.
我将在十月份回家。
Is Bill in, Sam?
萨姆，比尔在家吗？