blade

英 [bleɪd]

美 [bleɪd]

n. 刀身; 刀片; 刀刃; (机器上旋转的)叶片; 桨叶; (船桨的)桨叶，桨身

复数：blades　过去式：bladed　

Oxford 3000 / Collins.2 / BNC.4000 / COCA.3148

牛津词典

noun

刀身；刀片；刀刃
the flat part of a knife, tool or machine, which has a sharp edge or edges for cutting
（机器上旋转的）叶片；桨叶
one of the flat parts that turn around in an engine or on a helicopter
1. the blades of a propeller
  螺旋桨叶
2. rotor blades on a helicopter
  直升机的旋翼
（船桨的）桨叶，桨身
the flat wide part of an oar (= one of the long poles that are used to row a boat) that goes in the water
（草的）叶片
a single flat leaf of grass
（溜冰鞋的）冰刀
the flat metal part on the bottom of an ice skate

N-COUNT 刃；锋
Thebladeof a knife, axe, or saw is the edge, which is used for cutting.
1. Many of these tools have sharp blades, so be careful.
  这些工具中很多都有锋利的刀片，务必小心。
（螺旋桨的）叶片
Thebladesof a propeller are the long, flat parts that turn round.
桨叶
Thebladeof an oar is the thin flat part that you put into the water.
（草的）叶片
Abladeof grass is a single piece of grass.
See also:razor blade shoulder blade. rotor blade

noun

the flat part of a tool or weapon that (usually) has a cutting edge
flat surface that rotates and pushes against air or water
Synonym:vane
the part of the skate that slides on the ice
a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard
Synonym:swordbrandsteel
a broad flat body part (as of the shoulder or tongue)
a cut of beef from the shoulder blade
something long and thin resembling a blade of grass
1. a blade of lint on his suit
a dashing young man
1. gay young blades bragged of their amorous adventures
especially a leaf of grass or the broad portion of a leaf as distinct from the petiole
Synonym:leaf blade