A number expressing the acidity or alkalinity of a solution (or of a medium containing a solution, such as soil, blood, etc.) equal to the…
单词 | θ67187 |
释义 | the world > matter > chemistry > units or measurements > [adjective] > measure of acidity or alkalinity (1) pH1909 A number expressing the acidity or alkalinity of a solution (or of a medium containing a solution, such as soil, blood, etc.) equal to the… |
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