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• Anewstudysayselectronictoysarenothelpingbabieslearn."Ev...

• 问题详情：Anewstudysayselectronictoysarenothelpingbabieslearn."Evenifcompaniesaremarketingthemaseducational,they'renotteachingthebabiesanythingatthistime,"saidAnnaSosathestudy'sauthor.Researcherslistenedtoaudio(声音的)recordingsofparentsplayingwith...
• 2020-11-204528