Mandibulata

例句：

1. 1.The dentist examined the patient's mouth and found a fracture in the mandibulata.
   牙医检查了患者的嘴巴，发现下颌骨有骨折。
2. 2. The animal was injured during a fight and required surgery on its mandibulata.
   这只动物在一场争斗中受伤，需要进行下颌骨手术。
3. 3.The scientist studied the structure of the mandibulata and discovered new insights into human evolution.
   科学家研究了下颌骨的结构，发现了关于人类进化的新见解。