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1. Oxford American Dictionary

   mandible

   • IPA[ˈmandəbəl]

   美式

   • n.
     the jaw or a jawbone, especially the lower jawbone in mammals and fishes.；either of the upper and lower parts of a bird's beak

   • noun: mandible, plural noun: mandibles

2. • 釋義

   n.

   名詞

   • 1. the jaw or a jawbone, especially the lower jawbone in mammals and fishes.
   • ▪ either of the upper and lower parts of a bird's beak the drake is all black except for an orange mark on the upper mandible
   • ▪ either half of the crushing organ in an arthropod's mouthparts.