pHKK [ˋpiˋetʃ] /ˈpiˈeɪtʃ/发音名词1酸碱值、pH 值、酸碱度You should test the pH of the soil before planting.种植前应先测土壤的酸碱值。2中性、酸碱平衡用作修饰语This cleanser is pH neutral and safe for sensitive skin.这款洁面乳为中性配方,敏感肌肤也能安心使用。用这个字练口说→