| 词汇 | pH |
| 释义 | pHBrE /ˌpiː ˈeɪtʃ/ NAmE /ˌpiː ˈeɪtʃ/ noun [sing. ] (chemistry化学) a measurement of the level of acid or alkali in a solution range of 0 to 14 a reading of below 7 shows an acid and of above 7 shows an or substance . In the pH range of 0 to 14 a reading of below 7 shows an acid and of above 7 shows an alkali. * pH 值（溶液或物质的酸碱度。pH 值介于 0 至 14，7 以下为酸，7 以上为碱）◆ a pH of 7 .5 pH 值 7.5◆ to test the pH level of the soil 测试土壤的酸碱度acid , catalyst , chemistry , compound , formula , molecule , pH , react , solution , valency |
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