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

The upper blade is connected with the lower blade through a pin shaft and a chute.
上叶片与下叶片通过销轴和滑槽连接。
A bayonet blade is forged from the finest steel.
刺刀刃是用最优质的钢锻造的。
A blade guard is fitted to protect the operator.
为保证操作人员的人身安全安装了桨叶保护罩。
Complete leaf composed of petiole, blade and stipule.
完全叶由叶柄、叶片和托叶组成。
A sharp blade is likely to nick the skin and draw blood
锋利的刀刃可能会划伤皮肤，导致出血。
The propeller blade has been mounted.
推进器的叶片已经安装好了。
Do not touch the plane blade and work-piece by hand while planer works.
刨床工作时，不要用手触摸刨刀和工件。
The soil sticks to the blade and blocks the plough
土粘在犁铧上，卡住了犁。
Cannibal killer Jeffrey Dahmer has been caught trying to hide a razor blade in his cell.
食人杀手杰弗里·达默被抓到试图将一片剃须刀片藏在牢房里。
With a little imagination, you can see the handle and the blade.
只要有一点想象力，你就能看到柄和刀刃。