单词	filtration
释义	filtration /fɪlˈtreɪʃn / noun [mass noun] The action or process of filtering something: small particles are difficult to remove without filtration... In the first step, large contaminants were removed by filtration through filter paper. It is a wholesale and humiliating process of filtration. Lastly, does the water filtration and circulation process cope with keeping the water in the pools clean?
随便看	prebiotic prebiotic soup preboard pre-book pre-bookable Preboreal preborn prebrachial prebranchial prebronchial prebuccal prebuttal pre-Bötzinger complex prec. precalculable precalculate precalculated precalculation precalculus Precambrian pre-Canaanite precancel precancell precancellation precancelled

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