燕老师一句话点醒梦中人，我就是觉得开始太低了，就用力唱，不放松，结果反而不好，非常感谢！

来源: 胡马克于 2020-05-15 18:13:55 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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