Mandible
01
下颌骨, 下颚
(anatomy) (zoology) either half of the jawbone, especially the lower jawbone that helps a vertebrate open and close its mouth
02
下颌, 鸟喙的下部或上部
the lower or upper part of a bird's beak
03
下颌, 下颚
either of the two oral appendages near an insect's mouth



























