/bleɪd ||; bled/noun[C] 1 the flat, sharp part of a knife, etc （刀等的）刃 ☞picture at scythe 见scythe插图
2 one of the flat, wide parts that turn round very quickly on an aircraft, etc （飞机等的）桨叶，螺旋桨叶
3 a long, thin leaf of grass （细长的）草叶: a blade of grass 一片草叶