单词	pH meter
释义	pH meter noun : an apparatus for measuring the strength or the amount of acid present in a mixture or solution called also acidimeter Word History First Known Use 1932, in the meaning defined above
随便看	timekeeping timekeepings timeless timelessly timelessness timelessnesses timelier timeliest Timeliidae timeline timelines timeliness timelinesses timely timenoguy timenoguys timeo Danaos et dona ferentes timeous timeously timeouts timepiece timepieces timepleaser timepleasers timer

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