| 单词 | 杠杆 |
| 释义 | 〔treadle〕A pedal or lever operated by the foot for circular drive, as in a potter's wheel or sewing machine.踏板：一种由脚操纵带动圆周运动的踏板或杠杆，如制陶者的陶车或缝纫机的踏板〔jack〕A usually portable device for raising heavy objects by means of force applied with a lever, screw, or hydraulic press.千斤顶，起重机：通过杠杆、螺丝钉或水的压力把重物提起的便携式装置〔purchase〕A device, such as a tackle or lever, used to obtain mechanical advantage.似杠杆的设计：如杠杆或滑车等用于取得机械上的方便的设计〔beam〕The bar of a balance from which weighing pans are suspended.杆，杠杆：天平上悬挂秤盘的横杆〔tiller〕A lever used to turn a rudder and steer a boat.舵柄：用来转动舵以驾驶船的杠杆〔judo〕A sport and method of physical training similar to wrestling, developed in Japan in the late 19th century and using principles of balance and leverage adapted from jujitsu.柔道，现代柔术：类似摔跤的一种运动及健身方式，19世纪晚期产生于日本，采用柔道的平衡原理及杠杆原则〔manipulable〕a manipulable lever; a manipulable populace.一支可操纵的杠杆；一群可操纵的平民〔purchase〕A position, as of a lever or one's feet, affording means to move or secure a weight.支撑的位置：如杠杆上的位置或某人的双脚等用于移动或支撑重量的位置〔beam〕An oscillating lever connected to an engine piston rod and used to transmit power to the crankshaft.传动杆：可摆动的杠杆，与引擎之活塞相连，用以向机轴传送能量〔float〕A floating ball attached to a lever to regulate the water level in a tank.浮球：储液罐内连在杠杆上用来调节液面的浮球〔purchase〕To move or hold with a mechanical device, such as a lever or wrench.用杠杆移动：用如杠杆或板钳等机械装置移开或控制〔pry〕To raise, move, or force open with a lever.撬动：用一根杠杆举起、移动或打开〔throw〕To move (a lever or switch) in order to activate, deactivate, or control a device.启动：移动一个（杠杆或开关）以开动、关闭或控制一个装置〔springboard〕A flexible board mounted on a fulcrum with one end secured, used by gymnasts to gain momentum, as in vaulting.跳板：一端固定安放于一个杠杆支撑点的弹性木板，用于体操运动员获得动力，如撑杆跳〔tappet〕A lever or projecting arm that moves or is moved by contact with another part, usually to communicate a certain motion, as between a driving mechanism and a valve.推杆：一种因与另一部件相连而推动或被推动的杠杆或延伸臂，通常用来传导某一运动。如处于一个起推动作用的机械装置和阀门间的这种装置〔fulcrum〕The point or support on which a lever pivots.支点：杠杆的支点或支轴〔handspike〕A bar used as a lever.用作杠杆的铁棒〔throttle〕A lever or pedal controlling such a valve.节流杠：控制这种阀的杠杆或踏板〔heave〕To push at a capstan bar or lever.卷起（纹盘等）：推纹盘棒或杠杆〔machine〕A simple device, such as a lever, a pulley, or an inclined plane, that alters the magnitude or direction, or both, of an applied force; a simple machine.机械装置：一个简单装置，如杠杆、滑轮或斜面刨，可以改变作用力的大小或方向或同时改变；简单机械装置〔leverage〕The mechanical advantage of a lever.杠杆的机械效率〔link〕A rod or lever transmitting motion in a machine.连杆：机器中传递运动的连杆或杠杆〔clutch〕The apparatus, such as a lever or pedal, that activates one of these devices.离合器杆或踏板：一种起动上述设备的部件，如杠杆或踏板〔prize〕To move or force with or as if with a lever; pry.撬，撬开：用或似用杠杆使移动或撬起；撬〔wedge〕A piece of material, such as metal or wood, thick at one edge and tapered to a thin edge at the other for insertion in a narrow crevice, used for splitting, tightening, securing, or levering.楔子：一块如金属或木头的材料，一端粗至另一端逐渐变细以便插入狭小的缝隙内，用于劈升、绷紧、固定或用杠杆撬动某种东西 |
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