| 单词 | pH |
| 释义 | pH 2 ENTRIES FOUND: Learner's definition of PH [singular] technical : a number between 0 and 14 that indicates if a chemical is an acid or a base*pH值(介于0~14之间,表述化学品酸碱度的数值) ◊ A chemical with a pH lower than 7 is an acid, and a chemical with a pH higher than 7 is a base.*pH值低于7的化学品是酸性,高于7的是碱性。
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