fuel clump

例句：

1. 1. The truck's engine was running smoothly, despite the heavy fuel clump in its tank.
   尽管卡车的油箱里有厚厚的燃料团块，发动机还是运行得平稳。
2. 2. The pilot had to refuel several times during the flight due to the fuel clump.
   飞行员在飞行过程中不得不多次加油，因为油箱里的燃料团块。
3. 3.The car's engine sputtered and stalled after the fuel clump was removed.
   在移除了燃料团块后，汽车的引擎开始嘶嘶作响并熄火。