Definition

Examples

• 他因为吃太多糖，长了龋齿。
  Tā yīnwèi chī tài duō táng, zhǎng le qǔ chǐ.
  He got cavities because he ate too much candy.
• 定期检查可以预防龋齿。
  Dìngqī jiǎnchá kěyǐ yùfáng qǔ chǐ.
  Regular check-ups can prevent cavities.
• 医生建议他补好龋齿。
  Yīshēng jiànyì tā bǔ hǎo qǔ chǐ.
  The doctor advised him to fill the decayed tooth.