The rocket's propulsion system was incredibly powerful.
火箭的推进系统非常强大。
Marine animals often rely on water propulsion to move.
海洋动物通常依靠水推进来移动。
Researchers are developing new propulsion technologies for space travel.
研究人员正在开发新的太空旅行推进技术。
The car's electric propulsion system is highly efficient.
这辆车的电动推进系统效率很高。
Wind propulsion has been used in sailing for centuries.
风力推进在航海中已经使用了几个世纪。
Jet propulsion allows airplanes to fly at high speeds.
喷气推进使飞机能够高速飞行。
The submarine uses nuclear propulsion for extended missions.
潜艇使用核推进进行长时间任务。
Scientists study bird flight to understand natural propulsion.
科学家研究鸟类飞行以了解自然推进。
Solar propulsion could be the future of spacecraft travel.
太阳能推进可能是航天器旅行的未来。
Electric propulsion systems are quieter than traditional engines.
电动推进系统比传统发动机更安静。
jet propulsion 喷气推进
marine propulsion 船舶推进
electric propulsion 电力推进
nuclear propulsion 核推进
chemical propulsion 化学推进
ion propulsion 离子推进
复数: propulsions;
形容词: propulsive;
