rev

revrevD.J.:[rev]K.K.:[rɛv]n.1.■一次回转,(每分钟的)转速v.1.■加快转速

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rev[rev]n.1.■[口语](发动机的)旋转；[复数]旋转速度vt.1.■加快(发动机等的)转速；使加速；加强(常与up连用):Don't rev up the engine too fast.不要使发动机转速太快。2.■增加；提高(常与up连用)：Our plant will rev up production to meet the needs of the developing conditions.我们工厂将增加生产以适应形势发展的需要。3.■使更活跃；刺激；激发；煽动：She got revved up by the tragic ending of the film.她为这部电影的悲惨结局激动不已。vi.1.■[口语]2.■加快转速；加速(常与up连用)：The motorcycle was revving up in preparation for leaving.摩托车的发动机在不断加速，准备出发。3.■增长；更加活跃 (常与up连用)：The natural growth rate of population is revving up in rural areas.在农村中人口自然增长率正不断上升。变形vt.revvedrevving

revrev[rev]n.1.■[俗](发动机的)旋转

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词性变化rev[rev]vt.(revved; revving)1.■使加速(up)2.■增加, 提高(up)3.■使更加活跃; 刺激, 激发, 煽动(up)vi.1.■增加, 更加活跃(up)