noun🔗Share下颌，下颌骨 The lower jaw, especially the lower jawbone."The dog wagged its tail and opened its mandible wide, ready for a treat. "狗狗摇着尾巴，张大了下巴，准备吃零食。anatomybodymedicinephysiologyorganpartanimalhumanChat with AIVocabulary GamePractice Reading
noun🔗Share大颚，下颚. One of a pair of mouthparts of an arthropod, designed for holding and cutting food."The ant used its mandible to carry a crumb of bread back to its nest. "蚂蚁用它的大颚把一片面包屑搬回了巢穴.anatomybiologyanimalinsectpartorganphysiologyChat with AIVocabulary GamePractice Reading
