flamethrower

/ˈfleɪmˌθroʊ.ɚ/

名词

（用于军事或农业中的）火焰喷射器；喷火器
During the training exercise, the soldier demonstrated how to operate the flamethrower to clear away dense vegetation blocking their path.
在训练中，士兵演示了如何操作火焰喷射器来清除挡住道路的茂密植被。