适合2-4岁。若年纪太小，应以视频为主。特别推荐Duo ABC，若能坚持最好每天坚持使用。其他软件视情况使用。
[show_apk app="Letter Sounds A to Z, Duo ABC, ABC Learning games, Endless Alphabet, DDM Read, Khan Kids, Card Talk" title="Android ABC Apps"]
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