fuel slug

例句：

1. 1.The car's engine is running smoothly, but it needs a fuel slug to keep it going.
   这辆车的引擎运行平稳，但需要燃料塞才能继续行驶。
2. 2.The scientist used a fuel slug to power his lab.
   这位科学家用一个燃料塞来为他的实验室供电。
3. 3.The firefighters needed a fuel slug to extinguish the flames.
   消防员们需要燃料塞来扑灭火焰。