pHKK [ˋpiˋetʃ] /ˈpiˈeɪtʃ/發音名詞1酸鹼值、pH 值、酸鹼度You should test the pH of the soil before planting.種植前應先測土壤的酸鹼值。2中性、酸鹼平衡用作修飾語This cleanser is pH neutral and safe for sensitive skin.這款潔面乳為中性配方,敏感肌膚也能安心使用。用這個字練口說→