![This12-year-oldGirlBuiltaRobottoFindPlasticsintheOceanA...]( "This12-year-oldGirlBuiltaRobottoFindPlasticsintheOceanA...")
- 问题详情：This12-year-oldGirlBuiltaRobottoFindPlasticsintheOceanAnnaDuwaswalkingalongthebeachwhenshenoticedplasticsthere.Shereacheddowntopickthemup,andquicklyrealizedthereweremanymoretinypiecesthanshecoulddealwith.Itseemedimpossibletocleanthemallup.Du,...
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