bituminous shale
An argillaceous shale impregnated with bitumen.
(slang, US, derogatory) Any poor town or out-of-the-way place.
An undesirable habit or stereotypy in a horse or other equine, often the result of confinement in a stable with insufficient exercise, companionship, etc.
Of or relating to Dartford in Kent, England.
地質学者たちは炭化水素の含有量を分析するために、ビチューメンを含浸した泥質頁岩の試料を採取した。
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