常见例句用作动词 (v.)Don't rev the engine so hard.别让发动机转得太快。If you rev up your engine too fast,you may damage it.如果你使发动转速太快,就会把它弄坏的。用作名词 (n.)The engine was doing a steady 4000 revs (per minute).引擎达到(每分钟)4000转的恒定转速。 返回 revving