| 释义 |
phpH /ˌpi ˈeɪtʃ / noun [singular] (chemistry化学) a measurement of the level of acid or alkaliin a solution or substance * pH 值；氢离子浓度指数；酸碱度◆a pH of 7.5pH 值 7.5◆to test the pH level of the soil测试土壤的酸碱度 HELP In the pH range of 0 to 14, a value below 7 shows an acid, and above 7 shows an alkali. * pH 值介于 0 至 14，7 以下为酸 (acid)，7 以上为碱 (alkali)。 |