The flow of the breath expired too much, and the vocal cord and breath of the throat cannot be adjusted effectively. The closing force of the vocal belt is much smaller than the impact force of the airflow<br>. In the chain of air, sound, and language, I always lack power, lack air, control the body's energy consumption, difficult to hear, low and some of the skies<br>You'll hear the sky, dark, cloudy, colorless, and clear articulation. This is a sound due to leakage<br>
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