The trick is to keep very light pressure on the gas pedal, just enough to feed a steady amount offuel to the engine.
技巧是在油门上轻施压力，仅够供给引擎稳定量的燃料。
2
Researchers hope that the hydrogen products of that reaction might go beyond launching rockets, and also feed hydrogen fuel cells for long duration space missions.
研究者希望化学反应后产生的氢，不仅能发射火箭，也能为长时间的空间任务补充氢电池。
3
This paper pointed out: that using sugarcane to produce fuel alcohol will not employ the food of human and the feed of domestic animals.