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[VOA慢速-科技报道] VOA慢速新闻附字幕:新科技再现19世纪80年代的声音
Carlene Stephens says the Smithsonian hopes to use the system to play sounds from its collection of 500 early recordings. She believes the next generation of inventors will be inspired by them.2015-03-11 编辑:Sunny
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[密歇根新闻广播] 密歇根新闻广播(MP3+文本):19世纪的乌托邦世界
Agriculture has a long history in Michigan and continues to be one of the state's top industries. And for one 19th century utopian community in the Thumb, it was half of the equation to living a..2019-09-12 编辑:Wendy