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	credit account credit card credit note creditor credit rating credit sale credit title credit transfer creditworthiness creditworthy credo credulity credulous credulously credulousness Cree creed creedal creek creel creep creeper creepily creepiness creeping barrage

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