bladenoun
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
the blades of a propeller
螺旋桨叶
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
blade
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1
N-COUNT 刃；锋
The blade of a knife, axe, or saw is the edge, which is used for cutting.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。
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2
N-COUNT （螺旋桨的）叶片
The blades of a propeller are the long, flat parts that turn round. -
3
N-COUNT 桨叶
The blade of an oar is the thin flat part that you put into the water. -
4
N-COUNT （草的）叶片
A blade of grass is a single piece of grass. -
5
See also:razor blade;shoulder blade. rotor blade
noun
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1
- the flat part of a tool or weapon that (usually) has a cutting edge
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2
- flat surface that rotates and pushes against air or water
- Synonym: vane
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3
- the part of the skate that slides on the ice
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4
- a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard
- Synonym: sword brand steel
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5
- a broad flat body part (as of the shoulder or tongue)
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6
- a cut of beef from the shoulder blade
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7
- something long and thin resembling a blade of grass
- a blade of lint on his suit
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8
- a dashing young man
- gay young blades bragged of their amorous adventures
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9
- especially a leaf of grass or the broad portion of a leaf as distinct from the petiole
- Synonym: leaf blade
数据来源：WordNet
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Use the whole of the blade to get a clean cut .
使用整个刀身，这样可以保证切口整齐。
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Blade and handle are the component parts of a knife .
刀身和刀柄是一把刀的组成部分。
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Stay well away from the helicopter when its blades start to rotate .
直升机的螺旋桨开始转动时，尽量离远点儿。
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The long blades clashed together .
长刀相击铿然作响。
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The blade of the knife glinted in the darkness .
刀刃在黑暗中亮了亮。
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They have been turning out great blades for 400 years .
他们生产优质刀片已经有400年历史了。
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New blades have been designed to cope with the effects of dead insects
新的桨片设计使其可以应付昆虫尸体带来的影响。
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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。
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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。
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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。
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The soil sticks to the blade and blocks the plough
土粘在犁铧上，卡住了犁。
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He complained a little of a nagging pain between his shoulder blades
他有几句提到说肩胛骨之间一直在疼。
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The blade of the oar had entangled itself with something in the water .
船桨的桨叶和水里的什么东西缠住了。
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His voice stopped short as he saw the blade emerge from Desmond 's pocket .
当他看到从德斯蒙德口袋里露出的刀刃时，他突然不吭声了。
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Overhead , the chopper roared and the big blades churned the air .
头顶上，直升机在呼啸，巨大的螺旋桨叶片搅动着空气。
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Most shredding machines are based on a revolving disc fitted with replaceable blades .
大多数粉碎机都是基于一个装有可替换刀片的旋转圆盘来实现作业的。
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She smoothed the lotion across his shoulder blades
她在他的肩胛骨上抹了乳液。
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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。
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To forge a blade takes great skill .
锻造刀刃需要高超的技能。
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The blade of the knife penetrated his stomach .
刀子刺进了他的腹部。
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A bayonet blade is forged from the finest steel .
刺刀刃是用最优质的钢锻造的。
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The propeller blade has been mounted .
推进器的叶片已经安装好了。
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The blade has lost its edge .
刀口已经不再锋利了。
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Not a flower nor even a blade of grass will grow in this desert .
没有一朵花甚至一片草将会生长在这沙漠里。
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This knife has a perfect blade .
这刀钢口儿不错。
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The blades of grass quivered in the wind .
草叶随风颤动。
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Before specific solutions can be tested , nasa must first collect data on how the rotor blades interact with air under a variety of operating conditions .
在测试特定的方案以前，nasa必须首先搜集在不同的运行条件下桨叶与空气如何相互作用的数据。
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His stump of a tail shut down as close as his owner ever shut the short , stubbed blade of his jack-knife .
它那半截尾巴紧贴在身后，紧得像它的主人把大摺刀短粗的刀刃折叠起来那样。
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The idea was to put blades on the wheels ! You know ?
当时的想法是把刀片装在车轮上。你知道吗?
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Each turn of the blades is enough to power the average home for a day .
桨叶每转一圈，就足以为普通家庭提供一天的电力。