动 （阻挡； 阻碍） block，hinder，impede，obstruct ；

[例句] 为人圆通会让你成功的道路通畅无阻。 Diplomacy will smooth your pathway to success.

[例句] 警卫阻扰了他越狱的企图. The guards thwarted his attempt to escape from prison.

choke，block，clog，stop，backup ；

[例句] 长达25英里的交通拥堵阻塞了M6号高速公路的北行车道。 A 25 mile traffic jam clogged the northbound carriageway of the M6.

[例句] 唯一的问题就是大量水草阻塞了水道。 Large, clogging banks of weed are the only problem.

prevent，impede，keep from，hold back；

[例句] 批评的声音不会阻止人们涌到影院观看这部电影。 The criticisms will not stop people flocking to see the film.

[例句] 瑞士人想要阻止外资流入。 The Swiss wanted to discourage an inflow of foreign money.

hinder，block，impede，impediment，baffle ；

[例句] 该国的经济困境阻碍了其科研机构的工作进展。 The country's economic plight is strangling its scientific institutions.

[例句] 内战阻碍着救援机构对饥荒赈济物资的配给。 The civil war is obstructing distribution of famine relief by aid agencies.

obstruction，resistance，drag，drag force ；

[例句] 飞机设计成流线型以减小风的阻力. The aircraft is streamlined to cut down wind resistance.

[例句] 飞机须克服空气的阻力. An aircraft has to overcome the resistance of the air.

[电] impedance ；

[例句] 前者极端地阻抗亲核试剂. The first is extremely resistant to nucleophilic reagents.

[例句] 一种高输入阻抗 、 低开关速度及低功耗的半导体器件. A device which has an extremely high input impedance, low switching speed and low power consumption.

stop，stem，resist，obstruct，bar ；

（物质阻碍电流通过的性质） resistance，electric resistance （电路中两点间在一定压力下决定电流强度的一个物理量） ；

[例句] 铜比铅的电阻要小. Copper has less resistance to electricity than lead.

[例句] 电阻的测量单位是欧姆。 The electric resistance is measured in ohm.

(magnetic) reluctance，magnetic [magneto] resistance，magnetic drag ；

[例句] 定义了开关磁阻电机的电压矢量. It defines the voltage vector for Switched Reluctance Motor.

[例句] 一旦开关闭合, 磁路则具有较低的磁阻. Once the switch is closed, the magnetic path has a lower reluctance.

retardant，block，retardarce ；

[例句] 步兵团可能会使用打了就跑的战术来阻滞进攻部队。 The infantry would use hit and run tactics to slow attacking forces.

[例句] 如果草率施行，该法律将会阻滞高质量研究的进展。 The law could arrest the development of good research if applied prematurely.

stop，prevent，tackle，obstruct，discourage sb. from ；

[例句] 女粉丝冲破保安的阻拦，撕扯他的衣裳。 Female fans fought their way past bodyguards and tore at his clothes.

[例句] 成群结队的小青年阻拦消防部门灭火。 Crowds of youths prevented the fire service from dealing with the blaze.

block，hold back，hinder，obstruct ；

[例句] 民兵首领已拦阻了该地区经由陆上运送食品的车队。 Militia leaders had halted overland food convoys in the region.

[例句] 但是他没法拦阻她, 他知道自己没力量养活着儿女们. Yet he couldn't stop her, being unable to support his children himself.

separate，cut off，obstruct ；

[例句] 墨镜有效地阻隔强光保护眼睛. Dark glasses is an effective shield against the glare.

[例句] 举起一张报纸阻隔. 你觉得较凉爽 吗 ? Hold a newspaper in between. Do you feel cooler?

damp，[化] damping，damping ；

[例句] 在理论上,无阻尼时将引起无尽的谐振响应. Theoretically the absence of damping results in an infinite response at resonance.

[例句] 燃烧室内的固体颗粒可能引起强烈的阻尼效应. Strong damping effects are possible because of solid particles in the chamber.

blocking-up，interdiction ；

[例句] 非法停车的司机，尤其是那些阻断交通的，应当予以惩处。 Drivers who park their cars illegally, particularly obstructing traffic flow, deserve to be punished.

[例句] 他们知道怎样控制、限制信息获取途径，而且如果需要，还会将其完全阻断，而这些途径对报纸来说很重要，对广播、电视更是极其关键。如果你不遵守游戏规则，你就完蛋了。 They know how to control, restrict and, if need be, throttle access, important to newspapers and absolutely vital to radio and television. And if you don't play the game, you're toast.

damper ；

[例句] 阻尼器位移按指数关系松弛. The dashpot displacement relaxes exponentially.

[例句] 各种空气动力装置以及无源阻尼器和伺服阻尼器是可用的. Various aerodynamic devices, as well as passive dampers and serve dampers, are available.

[医] ileac pssion，ileus，intestinal obstruction ；

[例句] 这个男孩因患肠梗阻死去了。 The boy was suffering from a bowel obstruction and he died.

[例句] 其它少数情况是高位肠梗阻. A few other conditions are in high intestinal obstruction.

[医] depression ；

[例句] 如果这种斑块破裂, 栓塞便形成了, 于是阻抑血液供应. If the plaque breaks open, a clot forms, choking off the supply of blood.

[例句] 引诱剂, 排斥剂还是其他的兴奋剂都是嗅觉物质, 但刺激剂和阻抑剂常常是味觉物质. Whereas attractants, repellents, and many incitants are olfactory substances , stimulants, and deterrents are usually gustatory.

suffocate ；

[例句] 厄克特先生使用了假名，警方的调查因此受阻。 Police have been hampered by Mr Urquhart's use of bogus names.

[例句] 入侵行动因遭遇到了出乎意料的顽强抵抗而受阻。 The invasion was held up by unexpectedly stout resistance.

choke，strangler ；

[例句] 自动阻风门尽管在细节上有所不同,但其设计是相仿的. The automatic choke devices are all similar, although they vary in detail.

[例句] 这种阻风门的部分开启可以防止混合气过浓. This partly opens the choke so that an overich mixture is prevented.