按照一种粗俗的说法，他实验室中的火来自下界，而且是用炼狱的柴薪来燃烧的；

According to the vulgar idea, the fire in his laboratory had been brought from the lower regions, and was fed with infernal fuel;

youdao

按照一种粗俗的说法，他实验室中的火来自下界，而且是用炼狱的柴薪来燃烧的；

According to the vulgar idea, the fire in his laboratory had been brought from the lower regions, and was fed with infernal fuel;

youdao