rev /rev; rev/ vt, vi (-vv-) [VP2A, 6A, 2C, 15B] rev (up), (colloq) increase the speed of revolutions in (an internal-combustion engine): (俗)增加(內(nèi)燃機(jī))的旋轉(zhuǎn)速度： Don't rev (up) (the engine) so Aard. 別讓(引擎)轉(zhuǎn)動(dòng)得太快。 n revolution: (發(fā)動(dòng)機(jī)的)旋轉(zhuǎn)： You're driving at maximum revs. 你在全速行駛。