单词 | rev |
释义 | rev (rĕv) Informal n. A revolution, as of a motor. v. revved, rev·ving, revs v.tr. 1. a. To increase the speed of (a motor, for example): revved the engine. b. To accelerate or increase: orders to rev up factory output. 2. To make livelier or more productive: revving ourselves up for the game; efforts to rev the economy. v.intr. 1. To operate at an increased speed: heard the motors revving. 2. To accelerate in quantity or activity. |
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