impaired articulatory ability resulting from defects in the peripheral motor nerves or in the speech musculature
造句
用作名詞(n.)
Dysarthria is a speech disorder resulting from damage to the motor execution system of the central nervous system and resulting in muscular weakness and reduction in motor control. 構音困難肇因于中央神經系統中運動執行系統的損害，發音不良會導致肌肉無力且降低運動的控制。
His speech was fluent without dysarthria. 他的講話不流利的構音障礙。
The most common speech disorder of parkinsons disease is hypokinetic dysarthria. 運動減少性構音障礙是帕金森病的主要言語障礙。