To my ears the torch hissed louder than a steam locomotive, and when he used it to cut through steel, it blew off thousands of tiny pieces of molten metal that swarmed around him like angry fireflies.
在我听来,那乙炔炬发出的切割声比蒸汽机火车头发出的声音还要大,当他用它切割钢材时,无数熔化了的金属的粉末状液滴喷射出来,在他周围飞溅,就像一群愤怒的萤火虫。