Leapfrog text and learn 电子学习机
text and learn
阅读和学习
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Adults who are losing their sight get a big screen and large text to learn braille independently.
ENGADGET: Perkins Smart Brailler helps the blind learn to type, closes the digital divide
应用推荐
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模块下移
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