revKK [rɛv] /ɹɛv/發音動詞1催油門、加速空轉、轟油門常與 up 連用He revved the engine loudly before pulling out of the driveway.他大聲催了幾下油門,才把車開出車道。2加速、轉速升高The motorcycle revved and shot down the empty street.那輛機車引擎一催,就衝向空蕩蕩的街道。名詞1轉速、每分鐘轉數常用複數Keep the revs low until the engine warms up properly.在引擎完全熱車前,先讓轉速保持在低檔。片語動詞1加把勁、使活絡、加強口語The company is revving up production ahead of the holiday season.公司正在假期旺季前加緊生產。2炒熱、激起口語The band revved up the crowd with an old favorite.樂團用一首老歌把現場氣氛炒熱。