current ♦︎ flow ♦︎ circulation ♦︎ passageThese are all words for the movement of sth, such as a liquid, a gas or electricity.这些词均表示液体、气体或电等的流动。PATTERNS AND COLLOCATIONS 句型和搭配◆against / with the current / flow◆a current / the flow / the circulation / the passage of water / air◆a current / the flow / the passage of electricity◆the flow / circulation of blood◆air currents / circulation◆a constant current / flow / circulation◆a steady current / flow◆a free flow / passage■current [countable] an amount of water or air that moves continuously in one direction, especially through a larger amount of water or air in which there is less movement; the movement of electricity in one direction, for example through a wire(尤指随着大量相对静止的水或气团移动的)水流,气流;电流◆He swam to the shore against a strong current.他逆着急流游向岸边。◆Changes in ocean currents can have drastic effects on marine life.洋流的改变对海洋生物有严重的影响。◆Birds use warm air currents to help their flight.鸟利用暖气流助飞。◆He leaped as though a powerful electric current had passed through him.他跳了起来,好像身体通过一股强大的电流。◆Measure the current flowing through the wire.测量通过电线的电流。■flow [uncountable, countable, usually singular] the steady and continuous movement of liquid, air or electricity in one direction液体流;气流;电流◆She tried to stop the flow of blood from the wound.她试图止住伤口流血。◆The whole operation depends on a steady flow of electricity.整个操作取决于稳定的电流。 see also flow ⇨ flowverb■circulationˌsɜːkjəˈleɪʃn; NAmEˌsɜːrkjəˈleɪʃn [uncountable, countable] the movement of blood around the body; the movement of air, gas or water around an area or inside sth such as a system or machine血液循环;(气或水在某范围的)流动,循环◆People with poor circulation are more likely to suffer from the condition.血液循环不畅的人更容易患此症。◆The design of the shoe allows for a greater circulation of air around the foot, keeping it cool.这种鞋的设计使得脚周边有更多空气流通,保持凉爽。 see also circulate ⇨ flowverb■passage [uncountable] (formal) the action of light, liquid, gas or electricity going across, through or past sth(光、液体、气或电的)穿过,穿越◆Large trees may obstruct the passage of light.大树可能阻挡光线穿过。◆The operation will allow free passage of fluid in and out of the organ.手术将使得体液自由进出那个器官。