slipstream

slipstream
noun
  1. a current of air or water driven back by a revolving propeller or jet engine
    (螺旋桨或喷气发动机的)滑流
    ■the partial vacuum created in the wake of a moving vehicle, often used by other vehicles in a race to assist in overtaking
    (行驶时车后的)低压气穴(常被赛车手利用超车)
    ■(figurative)an assisting force regarded as drawing something along behind something else
    (喻)带动力
    when the US economy booms, the rest of the world is pulled along in the slipstream.
    美国经济繁荣时,世界经济也被带动了。
verb
  1. [no obj.](especially in motor racing) follow closely behind another vehicle, travelling in its slipstream and awaiting an opportunity to overtake
    (尤指赛车)紧跟前车低压气穴(以便伺机超越)
    ■[with obj.]travel in the slipstream of (someone), especially in order to overtake them
    (尤指为超越)紧跟后面
英语宝典
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