5.This report informed Bissell that the substance, could be refined cheaply and easily, and that, when refined, it made a splendid illuminant, besides yielding certain byproducts, such as paraffin and naphtha, which had a great commercial value.
这份报告告诉 Bissell,这种物质可以
价且容易地提炼,而且提炼后,除了产生某些具有巨大商业价值
副产品(例如石蜡和石脑油)外,它还可以制成出色
发光体。机翻