coal tar

常見(jiàn)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里提取的，但現(xiàn)在以石油產(chǎn)品為原材料。
What Happened: After spending the day studying coal tar derivatives, Fahlberg left his Johns Hopkins laboratory and went to dinner.
經(jīng)過(guò)：在一整天的煤焦油衍生物研究之后，發(fā)哈伯格離開(kāi)了他的約翰·霍普金斯實(shí)驗(yàn)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(fā)現(xiàn)，石腦油——在蒸餾前面提到的煤焦油以及石油的過(guò)程中所產(chǎn)生的一種易揮發(fā)的油狀液體——可用于防水織物。

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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