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lev·er 英ˈlevə, ˈliːvə美ˈlɛvɚ, ˈlivɚAHDlĕvʹər, lēʹvər ★☆☆☆☆高四六研ＧＩＳＴ宝４６八COCA¹⁰³²⁵BNC¹¹⁴²⁷iWeb⁵⁹²⁴Economist¹⁹⁰⁵⁰⁺⁹
基本双解英英词源搭配短语记法近义反义句型派生词用法例句Thesaurus例句
n.杠杆²;控制杆⁸;手段⁵v.撬开¹;使用杠杆复数levers过去分词levered现在分词levering三单levers
光学动词工具机械设备物理科学
n.名词
C杠杆a bar for lifting sth heavy or opening sth, put one end under the thing you want to lift or open, and push the other end C操作杆a thing that you pull or push to make a machine work
v.动词
vt. 用杠杆移动〔撬开〕move sth with a lever
Noun:
a rigid bar pivoted about a fulcruma simple machine that gives a mechanical advantage when given a fulcruma flat metal tumbler in a lever lock
Verb:
to move or force, especially in an effort to get something open;The burglar jimmied the lock Raccoons managed to pry the lid off the garbage pail 来自拉丁语levare,升起，举起，来自PIE*legwh,轻的，可举起的，词源同light,levitate.引申词义杠杆。
用作名词 n.
动词+～move lever移动杠杆pull〔push〕 a lever拉操纵杆开动机器等,在投票站拉选票形容词+～operating lever操纵杆timing lever定时杆名词+～brake〔control〕 lever刹车〔操纵〕杆gear lever变速装置～+名词lever rule杠杆定律用作动词 v.副词+～lever along〔away, out, over, up〕撬动,撬起～+介词lever …into…用杠杆把…撬进…
用作动词v.
lever out v.+adv.
使自己费力地站起来make (oneself rise with difficulty, effort, etc.) lever sth ⇔ outWe had a lot of trouble levering the roots out.在撬树根时我们遇到了很多麻烦。lever sb out of sthThey're trying to lever him out of his job as head of the firm.他们试图把他从公司首脑的位置上挤走。lever oneself outOnce you're stuck in deep snow, it's difficult to lever yourself out.你一旦陷进深雪中,就很难拔出身。
lever up v.+adv.
费力地支起自己(lift oneself up with difficulty, effort) lever sth ⇔ upIf you lever up the stone with a stick, you will find lots of insects living beneath it.要是用棍把这块石头撬起来,你会看到石头下面有许多虫子。lever oneself upThe wounded soldier levered himself up on his elbow and shouted for help.那个伤兵用胳膊支起身子,大声呼救。钱博士lev抬举+er者→用来抬举的工具→杠杆⇒转作动词用杠杆撬
词根lev-轻的，引申为减轻、抬举来自拉丁语。它和日耳曼单词light轻的最终都源自原始印欧语词根*legwh-轻的。方振宇词汇奥秘lev举+er表示物→能举起重物之杆→杠杆
衍生词lever-age集合/活动/动作表示抽象名词→leveragen.〈物〉杠杆作用，杠杆的力量GRE红宝书lev举+er
levy- 举起，提高，升起 + er 能够使提高的东西，杠杆就是使物体升高的东东；level+ er 呈水平线状的杠杆非常记忆l棍棒〖编码〗+ever曾经〖熟词〗⇒曾经玩棍棒——这是六小灵童成功的途径非常记忆l形似棍棒+ ever曾经 曾经玩棍棒⇒这是六小灵童成功的途径词根记忆lev举起＋er→给我一根杠杆，我能撬动地球→撬动；杠杆lev抬举+er者→用来抬举的工具→杠杆⇒转作动词用杠杆撬。词根记忆lev举起，变轻＋er→用来举起东西的工具→杠杆词根记忆lev+er=举起重东西的东西=杠杆近义词 pry打听bar酒吧jam果酱move移动lift举起force武力jimmy撬棒pedal踏板hoist升起boost提高raise上升prize奖品device装置open开着的handle处理control掌控treadle踏木machine机器handspike木梃work loose松掉prise强行使分开
用作名词n.He is repairing the brake lever of an automobile.他正在修理汽车的刹车杆。
Push the lever and the machine will start.推动启动杆,机器就开动了。
They used the threat of strike action as a lever to get the employers to agree to their demands.他们以罢工威胁为手段,要求雇主同意他们的要求。用作动词v.
用作及物动词
S+～+ n./pron.They levered it into position.他们用杠杆把它撬到位。
They levered the iron into the house.他们用杠杆把铁块撬进屋里。Pgearlevern.变速杆Pcantilevern.悬臂v.用悬臂支撑Pleveragen.影响力杠杆作用杠杆装置杠杆效率v.举债经营
n.名词
lever用作名词时,其基本意思是“杠杆”,也可指机器的“操作杆”;用于比喻时,可表示“施加某种压力的手段,方法。”
名词94%,动词6%
用作名词He employed his knife as alever.他把刀子当杠杆用。
Thislevermust serve some ulterior purpose.这撬棒准是用于不可告人的目的的。
Push hard and theleverwill go down.用力推就能把控制杆按下去。
Move thisleverto change gear.换档时扳动这根操纵杆。
This latest incident may be theleverneeded to change government policy.最近的事件或许可以作为迫使政府改变政策所需的手段。用作动词They managed toleverthe door open.他们设法撬开了门。
We are trying toleverthe roots out, but in vain.我们试图撬掉这些树根,但没有成功。
The worker isleveringat the rock.工人用杠杆〈移动〉岩石。noun.lifter
同义词 crowbar,leverageadvantage,bar,crow,prise,prypinch bar,pry bar,prying barnoun.machine
同义词 crowbar,pedal,toolbar,binder,jack,jimmy,lam,peavey,peavy,pry,treadle
barnoun rod;straight length of material
batten,billet,boom,crossbar,crosspiece,ingot,paling,pig,pole,rail,rib,rule,shaft,slab,spar,spoke,stake,stick,streak,strip,stripe,stroke
bracenoun support
arm,band,bar,bearing,block,bolster,boom,bracer,bracket,buttress,cantilever,clamp,girder,grip,guy,lever,mainstay,peg,prop,rafter,reinforcement,rib,shore,skid,splice,splint,staff,stanchion,stave,stay,stirrup,strengthener,strut,sustainer,truss,underpinning,vice
cranknoun a device for revolving a shaft
arm,handle,lever,turning device
crowbarnoun iron lever
chisel,extract,jimmy,lever,pry,remove
jackverb raise
boost,bring up,construct,elevate,erect,establish,exalt,heave,hike,hoist,hold up,jump,lever,lift,lift up,mount,move up,place up,promote,pry,pull up,put on its end,put up,rear,run up,set up,set upright,shove,stand up,take up,throw up,up,upcast,upheave,uplift,upraise,uprear
jackedverb raise
boosted,brought up,constructed,elevated,erected,established,exalted,heaved,held up,hiked,hoisted,jumped,levered,lifted,lifted up,mounted,moved up,placed up,pried,promoted,pulled up,put on its end,put up,ran up,reared,set up,set upright,shoved,stood up,threw up,took up,upcasted,upheaved,uplifted,upped,upraised,upreared This torsion is found in feet with well- formed arches, which are stiff enough to use the foot like a lever to push off the ground but flexible enough to also work like shock absorbers.
这一个弯曲在架构在完整的足弓中可以发现，这一结构的坚硬程度足以满足在行走时作为足部的杠杆，同时也可以像减震器一样发挥缓振作用。 yeeyan |