propulsion
柯林斯词典
1. N-UNCOUNT Propulsion is the power that moves something, especially a vehicle, in a forward direction. 推进力[正式] [oft n N, N n]
...the submarine's propulsion system. ...该潜艇的推进系统。
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propulsion /prəˈpʌlʃən/
剑桥词典
- a force that pushes something forward
推进；推动力
wind propulsion 风力推进
a propulsion system 推进系统
也见 jet propulsion 返回 propulsion