基本解釋粉末狀物質(zhì)英漢例句雙語(yǔ)例句Whole wheat flour is a powdery substance derived by grinding or mashing the wheat's whole grain.全麥面粉是由研磨或搗碎整個(gè)小麥所得。An in service valve suffering from Dezincification has a white powdery substance or mineral stains on its exterior surface.應(yīng)用中的閥門如果出現(xiàn)脫鋅現(xiàn)象，在產(chǎn)品表面就會(huì)出現(xiàn)粉狀物質(zhì)或礦物污點(diǎn)。The physical attributes of an in-service valve with Dezincification includes a white powdery substance or mineral stains on its exterior surface.使用中的閥門出現(xiàn)失鋅想象時(shí)的物理特征包括：在外表面出現(xiàn)白色粉末或 礦物污點(diǎn)。http://dj.iciba.com權(quán)威例句The powdery lignin, once separated from the cellulose, is a very useful substance in its own right.FORBES: Ethanolpowdery substance更多例句專業(yè)釋義環(huán)境科學(xué)技術(shù)粉末狀物質(zhì)