| 释义 | 
		 🔑 bladeBrE /bleɪd/NAmE /bleɪd/ noun🔑 the flat part of a knife, tool or machine, which has a sharp edge or edges for cutting 刀身;刀片;刀刃  ➡  see also razor blade, switchblade one of the flat parts that turn around in an engine or on a  helicopter  (机器上旋转的)叶片;桨叶◆the blades of a propeller 螺旋桨叶◆rotor blades on a helicopter 直升机的旋翼the flat wide part of an  oar (= one of the long poles that are used to  row1  a boat) that goes in the water (船桨的)桨叶,桨身a single flat leaf of grass (草的)叶片the flat metal part on the bottom of an  ice skate  (溜冰鞋的)冰刀  ➡  see also shoulder blade  |