音标发音英式音标 [ˌpiːˈeɪtʃ]美式音标 [ˌpiːˈeɪtʃ]英式发音 美式发音 基本解释酸堿度，pH 值。同根派生 pH相关词英汉例句noun [ C usually singular ]Below pH 6.5 is acid, above pH 7.5 is alkaline. pH值低於6.5爲酸性，高於7.5爲堿性。The soil in our garden has a low/high pH. 我們花園裡的土壤pH值較低／高。pH更多例句英英字典劍橋英英字典 a number that shows how strongly acid or alkaline a substance is, in a range from 0 to 14pH剑桥字典pH柯林斯字典