名詞 fueling:

1. the activity of supplying or taking on fuel
   同義詞：refueling

動詞 fuel:

1. provide with a combustible substance that provides energy
   同義詞：fuel
2. provide with fuel
   同義詞：fuel, fire
3. take in fuel, as of a ship
   同義詞：fuel
4. stimulate
   同義詞：fuel

1. All aircraft must fuel before flight.
   所有飛機飛行前都必須加油。
2. The ship took on more fuel at Freetown.
   輪船在弗里敦加燃料。
3. The plane is fueling up.
   飛機正在加油。