Definition

Examples

• 你如果不每天刷牙，牙齿上就会长牙垢。
  Nǐ rúguǒ bù měitiān shuā yá, yáchǐ shàng jiù huì zhǎng yá gòu.
  If you don't brush your teeth every day, you will get tartar on your teeth.
• 牙医说我的牙垢太多了，需要洗牙。
  Yáyī shuō wǒ de yá gòu tài duō le, xūyào xǐ yá.
  The dentist said I have too much tartar and need a dental cleaning.
• 经常喝咖啡会让牙垢更容易形成。
  Jīngcháng hē kāfēi huì ràng yá gòu gèng róngyì xíngchéng.
  Drinking coffee often makes tartar form more easily.