n.[C]【動】

1. （哺乳動物、魚的）頷，下顎骨
   There is no long, slender mandible of a lower jaw in the whales.

   這種鯨魚沒有細長的頷下顎骨。

2. （昆蟲等的）上顎
   The upper lip and mandibles of the insect were injured.

   這個昆蟲的上脣和上顎都受了傷。

3. （鳥喙的）上部（或下部）
   Taking up the prey in its mandibles, the bird was returning to its nest.

   將被捕食的動物銜在口裡，這隻鳥正在回自己的窩去。

n.

1. the jaw or a jawbone, especially the lower jawbone in mammals and fishes.
2. either of the upper and lower parts of a bird's beak.
3. either half of the crushing organ in an arthropod's mouthparts.