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单词 diatomaceous earth
释义 diatomaceous earth
 a fine siliceous earth composed chiefly of the cell walls of diatoms: used in filtration, as an abrasive, etc. Also called diatomite /duy at"euh muyt'/, kieselguhr.
 [1880-85]
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更新时间:2024/9/25 17:16:54