诸如口吃、发音不准、语言不流畅这些言语障碍都是由大脑损伤、学习障碍、腭裂、听觉失灵、情感障碍或其它原因造成的。
Speech disorders such as stuttering, inappropriate pitch, or poor speech fluency can result from brain injury, learning disability, cleft palate, hearing loss, emotional problems, or other causes.
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