blade

the flat part of a tool or weapon that (usually) has a cutting edge

刀锋工具或上（通常）有刀刃的扁平部分

flat suce that rotates and pushes against air or water

旋转并推动空气或水的平面

vane

the part of the skate that slides on the ice

滑冰板在冰上滑动的部分

a cutting or thrusting weapon that has a lonetal blade and a hilt with a hand guard

有长金属刃和带护手的柄的切割或插入

sword

brand

steel

a broad flat body part (as of the shoulder or tongue)

宽而平的身体部位（如肩膀或舌头）

a cut of beef from the shoulder blade

从肩胛骨切下的牛肉

something long and thin resembling a blade of grass

像一片草一样又长又薄的东西

a blade of lint on his suit

他衣服上的一片绒布

a dashing younan

风度翩翩的年轻人

gay young blades bragged of their amorous adventures

年轻的快活刀片吹嘘他们的多情冒险

especially a leaf of grass or the broad portion of a leaf as distinct from the petiole

尤其是草的叶子或叶子的宽部分，有别于叶柄

leaf blade