middle tooth

例句：

1. 1. She had a cavityin her middle tooth.
   她的中间牙齿有龋洞。
2. 2. The dentist advised her to haveher middle tooth extracted.
   牙医建议她拔除中间的牙齿。
3. 3. Hewas worried about the painhis middle tooth would cause him.
   他担心他的中间牙齿会给他带来疼痛。