submental space

• 颏下间隙

submental space的用法和样例：

例句

1. The 28-year-old male got his amputated molar tooth lost in the submandibular space when receiving tooth extraction.
   患者于接受智齿拔除时，牙齿齿根掉入下颔下间隙，经手术取出，无合并症发生。