音標(biāo)發(fā)音英式音標(biāo) [?pi??e?t?]美式音標(biāo) [?pi??e?t?]英式發(fā)音 美式發(fā)音 基本解釋酸堿度，pH 值。同根派生 pH相關(guān)詞英漢例句noun [ C usually singular ]Below pH 6.5 is acid, above pH 7.5 is alkaline. pH值低於6.5爲(wèi)酸性，高於7.5爲(wèi)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劍橋字典pH柯林斯字典