knifen.刀v.用刀切割
knife tackle刀组
knife handle餐刀柄
knife trauma刀伤
knife switchn.[电]闸刀开关
knife wounds刀伤
knife-edgedadj.锋利的;刀刃般锋利的;(声音)尖的
knife contact刀形触头,刀形触点
knifeassembly切割刀组件
knife-bladen.刀身;锋利的东西
knife-pointn.刀尖