noun🔗Share下颚，下颌骨。 The lower jaw, especially the lower jawbone."The dentist examined the patient's mandibles to check for problems with their jaw. "牙医检查了病人的下颚骨，看看他们的下巴有没有问题。anatomyorgananimalbodybiologyphysiologypartChat 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 mandibles to carry a crumb of bread back to its colony. "蚂蚁用它的大颚夹着一块面包屑，把它搬回了蚁穴。anatomyanimalinsectbiologypartorganismChat with AIVocabulary GamePractice Reading
