Lapis dentalis
[医] 牙垢, 牙石
🧩 词语组成解析
[医] 石
🗣️ 情景例句
No. I want to leave it in Chicago.
不。我想把它留在芝加哥。
They will miss him very much when he leaves home for the first time.
李明第一次离开家，他们会非常想念他的。
It's a pleasure. What time is it by your watch, please?
不客气。请问，你的表几点了？