柯林斯詞典mandible /?m?nd?b?l/ (mandibles) 1. N-COUNT A mandible is the bone in the lower jaw of a person or animal. (人或動物的)下頜骨[技術(shù)] 2. N-COUNT An insect's mandibles are the two parts of its mouth which it uses for biting, similar to an animal's jaws. (昆蟲)顎[技術(shù)] [usu pl] 返回 mandible劍橋詞典in a person or animal , the lower jaw bone （人或動物的）下顎骨 in insects , one of the two parts of the mouth used for biting and cutting food 喙（昆蟲嘴的兩部分之一，用于切斷和撕咬食物） 返回 mandible