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1、20X科技演讲稿(4篇) 简介。科技改变世界,但它更为盲人的生活带来前所未有的便利。联合国残疾人权利委员会主席ronmccallum自幼失明。87年,他拥有了第一台盲人专用电脑。由于有了电脑，有声读物(tkingbook）和志愿者们的帮助,他成为了一个贪婪的阅读者,同时也成为了一名律师和学者。 wheniwsouhorfoyeod,irembeyumradingasorytomeantwbigbroh，andremembeputingupmyhandtofeetheageofthebok，oeelthepctretywerescussng. andmymumsaid，&uot;darin,re
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