mandible
noun /ˈmændɪbl/
/ˈmændɪbl/
(anatomy- enlarge imagethe jawbone
下颌骨 Topics Bodyc2 - the upper or lower part of a bird’s beak
Topics Birdsc2鸟的上喙(或下喙) - enlarge imageeither of the two parts that are at the front and on either side of an insect’s mouth, used especially for biting and crushing food
(昆虫的)上颚 Topics Insects, worms, etc.c2
词源late Middle English: from Old French, or from late Latin mandibula, from mandere ‘to chew’.