- 問題詳情:EarthDay, 4 (mark)on22April,isanannualeventaimingtoraisepublicawarenessaboutenvironmentalprotection.Firstcelebrated 5 1970,theDaynowincludeseventsinmorethan190countriesandregions(地區).Nomatterwhatyouliketodo,thereisawaytogetinvolvedinvarious...
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