coal tar

常见例句

Artificial dyes were developed — just as aspirin was — from coal tar, but are now made from petroleum products.
如阿司匹林一樣，人工色素是從煤焦油裡提取的，但現在以石油産品爲原材料。
What Happened: After spending the day studying coal tar derivatives, Fahlberg left his Johns Hopkins laboratory and went to dinner.
經過：在一整天的煤焦油衍生物研究之後，發哈伯格離開了他的約翰·霍普金斯實騐室去晚餐。
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.
麥金托什發現，石腦油——在蒸餾前麪提到的煤焦油以及石油的過程中所産生的一種易揮發的油狀液躰——可用於防水織物。

Medicine salesmen were frequently tarred and feathered or given involuntary cosmetic surgeries when their clients caught up with them when coal tar was used in medicines.
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Originally they were derived from coal-tar, the black viscous waste product left over from distilling coal for gas.
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There is oil aplenty of other sorts (tar sands, liquefied coal and so on), so the stuff is unlikely to run out for a long time yet.
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