单词	acid sludge
释义	acid sludge noun : gummy material that separates from a petroleum oil on treatment with sulfuric acid Word History First Known Use 1885, in the meaning defined above
随便看	hemp tree hemp vine hemp-brake hempbushes Hempel column hempen hempener hempenest hempenner hempennest hempie hempier hempies hempiest hemps hempseed hempseed oil hempseeds Hempstead hempweed hempweeds hempy hems hems (in) hems and haws

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