n.下颌骨，颌，鸟喙的上部(或下部)，(昆虫的)上颚

原形：mandible复数：mandibles

The mandible is the largest and strongest bone in the human jaw.
下颌骨是人类颌部最大的且最强壮的骨头。
Insects have a pair of mandibles used for biting and chewing food.
昆虫有一对用于咬碎和咀嚼食物的下颚骨。
The surgeon performed a successful mandible reconstruction surgery on the patient.
外科医生成功地为患者实施了下颌骨重建手术。
The fracture of the mandible can lead to difficulty in opening the mouth and chewing.
下颌骨骨折可能导致张口困难和咀嚼困难。
The dentist extracted the wisdom tooth from the lower mandible.
牙医从患者的下颌骨中拔出了智齿。
In some species of spiders, the female devours the male's head after mating, starting with the mandible.
在某些蜘蛛种类中，雌性蜘蛛在交配后会先从下颚骨开始吃掉雄性的头。
The temporomandibular joint connects the mandible to the skull.
颞下颌关节将下颌骨与颅骨连接起来。
The powerful mandibles of a termite worker enable it to break down wood fibers.
白蚁工蚁强壮的下颚骨使它能够分解木纤维。
Anatomists study the structure and function of the mandible as part of the skeletal system.
解剖学家研究下颌骨作为骨骼系统一部分的结构和功能。
During a physical examination, the doctor palpated the patient's mandible for any signs of swelling or tenderness.
在体格检查期间，医生触摸了患者的下颌骨以检查是否存在肿胀或疼痛的症状。