构音障碍是一组表现多样的慢性语言运动障碍性疾病。患者肌肉收缩速度，力量，精度或时序异常致言语困难。
The dysarthrias are a group of diverse, chronic motor speech disorders in which patients are unable to speak with normal muscular speed, strength, precision, or timing.
MS会导致言语和运动障碍，其严重程度因人而异，但一般都算是重度残疾了。
The level of severity and differ from person to person. But it is usually seriously disabling.
MS会导致言语和运动障碍，其严重程度因人而异，但一般都算是重度残疾了。
The level of severity and differ from person to person. But it is usually seriously disabling.
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