英语词汇mass observation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	mass observation
释义	mass observationn. Brit. esp. hist. the study and recording of the social habits and opinions of ordinary people [英尤史义]民意调查
随便看	aluminize aluminosilicate alumnus alveolar alveolate alveolus Alvin always alyssum Alzheimer's disease A. & M. AM Am a.m. am amadavat amadou amah amalgam amalgamate amalgamation Amanda amanuensis amaranth amaranthine

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