refuelling submarine

例句：

1. 1. The submarine needed to refuel before it could continue its mission.
   这艘潜艇在继续其任务之前需要补充燃料。
2. 2. The tanker was refuelling at the port when the storm hit.
   当暴风雨来袭时，油轮正在港口加油。
3. 3. The pilot refuelled the aircraft before taking off.
   飞行员在起飞前给飞机加油。