tartar
US /ˈtɑːr.t̬ɚ/
UK /ˈtɑːr.t̬ɚ/

名词
1.
牙垢, 牙石
a hard calcified deposit that forms on the teeth and contributes to their decay
示例:
•
Regular brushing helps prevent the buildup of tartar.
定期刷牙有助于防止牙垢的形成。
•
The dentist removed the tartar from my teeth during the cleaning.
牙医在洗牙时去除了我牙齿上的牙垢。
在 Lingoland 学习这个单词