infrahyoid muscles

例句：

1. 1. The doctor advisedthe patient to exercise regularly to strengthen hisinfrahyoid muscles.
   医生建议病人定期锻炼，以增强他的舌下肌肉。
2. 2. During sleep, the body relaxesits muscles, including those in the infrahyoid region.
   在睡眠中，身体放松其肌肉，包括那些位于舌下区域的肌肉。
3. 3. In some cases,a person may experience difficulty swallowing dueto damage or weakness in their infrahyoid muscles.
   在某些情况下，一个人可能会因为舌下肌肉的损伤或虚弱而遇到吞咽困难。