1·He was attempting to manufacture quinine from aniline, an inexpensive and readily available coal tar waste product.
他试图用苯胺批量制造奎宁，苯胺是一种廉价且容易获得的煤焦油废料。
2·What Happened: After spending the day studying coal tar derivatives, Fahlberg left his Johns Hopkins laboratory and went to dinner.
经过：在一整天的煤焦油衍生物研究之后，发哈伯格离开了他的约翰·霍普金斯实验室去晚餐。
3·Dark hair dyes: They are known to contain coal tar, a carcinogenic chemical.
—深色染发剂：已被证明含有致癌化学物质煤焦油。
4·Macintosh found that naphtha - a volatile, oily liquid created in the distillation the aforementioned coal tar, as well as petroleum - could be used to waterproof fabrics.
麦金托什发现，石脑油——在蒸馏前面提到的煤焦油以及石油的过程中所产生的一种易挥发的油状液体——可用于防水织物。
5·Coal tar has a strong smell and can stain clothing.
煤焦油有很强烈的气味，并且会染污衣服。