Odontolith
[医] 牙垢, 牙积石
🗣️ 情景例句
I'm sure they'll find the owner.
我相信他们会找到狗的主人。
It is good to have some friends both in heaven and hell.
天堂上和地狱中都有几个朋友，这乃是一件好事。
Have you seen this article in the paper?
你在报上看到过这篇文章吗？