canthi

例句：

1. 1. The doctor examined her chin and found a lump there.
   医生检查了她的下巴，发现那里有一个肿块。
2. 2. She had surgery to remove the bone in her chin.
   她做了手术来移除下巴的骨头。
3. 3. He massaged his jaw muscles to relieve tension.
   他按摩他的下巴肌肉来缓解紧张。