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世界上最早的录音什么样？对着喇叭大喊，有趣的现象发生了
最早的留声机就长这样，那你知不知道，它到底是怎么记录和播放声音的呢？(;´・`)> 文案：ahui 剪辑：ahui 配音：播伊 素材来源于网络。
世界很奇怪18/136
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