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【科学嗓音课】 什么是科学发声？
人人都需要的【科学嗓音课】…… 说话时，让嗓子“不容易累、不容易哑，且好听”； 唱歌时，让歌声“更轻松、更稳定、音色动人”……
附点音乐（在线）声乐教学：花絮17/166
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