reaction propulsion using stored oxygen for combustion; used where there is insufficient atmospheric oxygen
双语例句
Aircraft works by jet propulsion. 这架飞机是喷气推进的。
Scientists and engineers at the control center in the Jet Propulsion Laboratory in Pasadena, California, cheered. 守候在加利福尼亚州帕萨迪纳喷气推进实验室控制中心的科学家和工程师们发出了一阵欢呼。
