abbr.Reentry Vehicle 重返大气层运载工具;
英文例句/中文翻译:
the engine rev increased suddenly.
发动机转速突然提高。
the machine operates at a speed of 4,500 rev per hour.
这台机器的运转速度为每小时4,500转。
the motorcycle would loudly rev its engine as it sped past my window.
摩托车会大声轰鸣着引擎,从我窗前疾驰而过。