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 pH scale 添加此单词到默认生词本
【化】 pH度标



    ph scale
    [ noun ]
    (from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic)
    <noun.attribute>


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