propulsion [prəˈpʌlʃən]

例句:

• The nineteenth century witnessed a revolution in ship design and propulsion.
  19世纪船舶设计和船舶动力领域发生了重大的变革。
  
• Interest in jet propulsion was now growing at the Air Ministry.
  航空部对喷气推进的兴趣正在增加。
  
• The liquids employed for rocket propulsion are called propergols.
  用于火箭发动机的液体称为液体火箭推进剂.
  
• Please hire some teen-agers instead of Rocket Propulsion Experts.
  来自SA
• Jet propulsion was not in his thinking at this stage.
  来自BBC
• The Volt has one propulsion system, an electric motor.
  来自SA