刀刃 Blade blade 英 [bleɪd] 美 [bleɪd] 名词. 刀片，刀刃，桨叶，刀身 网络. 刀锋战士，叶片 变形. 复数：blades，过去分词：bladed，现在分词：blading [例句] He put the tip of the blade into Gus's shirt and then made an arc with his arm, as though cutting a circle. 他把尖刀伸进格斯的衬衫，随手用胳膊划了个弧圈，仿佛要圆圆地剐下一块肉来。
刀刃 [词典] edge; the edge of a knife; cutter edge; where a thing can be put to best use; the crucial point; [例句]面包刀的刀刃应该有波浪齿。 Bread knives should have a serrated edge.本回答被网友采纳