单词	nigrometer
释义	nigrometer noun ni·​grom·​e·​ter nīˈgrämədə(r) : an instrument for measuring degree of blackness (as of paints or dyes) Word History Etymology nigro- (from Latin nigr-, niger black) + -meter
随便看	diarize diarized diarizes diarizing diarrhea diarrheal diarrhealer diarrhealest diarrhealler diarrheallest diarrheas diarrhee diarrheic diarrhetic diarrhoea diarrhoeal diarrhoealer diarrhoealest diarrhoeas diarsenide diarthroses diarthrosis diary diaryl diarylamine

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