mandibles
n. （人或动物的）下颌骨，下颚骨；（鸟的）上喙，下喙；（昆虫的）颚（mandible 的复数）
例句
The burying beetles tap their parents' mandibles.
埋葬虫拍击它们父母的下颚。
The upper lip and mandibles of the insect were injured.
这个昆虫的上唇和上颚都受了伤。
The ants connect by gripping each others’ mandibles and claws.
这些蚂蚁通过互相抓住彼此的下颚和侧爪，聚集在一起。
