Level 6 · word 19,358 of 20,000

mandible

/ˈmeɪəndɪbəl/ American
  • n. 下颚, 口器
Definition
  • n. the jaw, especially the lower jaw, or the mouthparts of an insect
Example
The insect used its strong mandible to cut through the leaf.
这只昆虫用它强壮的上颚咬穿了树叶。