齿舌

例句：

1. 1. She hada bad toothache and needed tosee a dentist.
   她牙痛得厉害，需要去看牙医。
2. 2. Thedoctor advised her to brushher teeth twice a day.
   医生建议她每天刷牙两次。
3. 3. Heate his breakfast with his mouth full offood, showing the importance of chewingour food properly.
   他吃早餐时满嘴都是食物，显示了咀嚼食物的重要性。