1. 刀口:刃夹 knife clip | 刀口 knife edge | 刀口枢轴 knife edge pivot
2. 刃形支承,刀刃,刀边:kit 套件 | knife-edge 刃形支承,刀刃,刀边 | kryton 氪
3. 刀棱:klaprothine 天蓝石 同lazulite | knife edge 刀棱 | knots 木纹瑕疵
4. danci.911cha.com
4. 刀口,刀边,刀刃:knife switch 刀形开关 | knife-edge 刀口,刀边,刀刃 | knife-edge bearing 刀口支承
noun
1. the sharp cutting side of the blade of a knife
Synonym: cutting edge