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唱歌声音是前后水平运动还是上下垂直运动？刘学军示范演唱给你看
唱歌的时候，声音和气息是水平运动还是垂直运动，刘学军老师示范演唱给你看，一起学起来吧！
唱歌养生零基础入门技巧（二）：一字一句教唱歌，天天进步看得见46/80
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