Odontolith
[医] 牙垢, 牙积石
🗣️ 情景例句
and leave the number with the baby-sitter.
把餐厅的电话告诉临时保姆。
The plumber has made a mistake.
配管工犯了一个错误。
You're welcome to stay with us next time.
欢迎您下次再光临我们的饭店。