n.[醫(yī)]構(gòu)音困難；構(gòu)音障礙

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(gòu)音困難肇因于中央神經(jīng)系統(tǒng)中運(yùn)動(dòng)執(zhí)行系統(tǒng)的損害，發(fā)音不良會(huì)導(dǎo)致肌肉無力且降低運(yùn)動(dòng)的控制。

His speech was fluent without dysarthria. 他的講話不流利的構(gòu)音障礙。

The most common speech disorder of parkinsons disease is hypokinetic dysarthria. 運(yùn)動(dòng)減少性構(gòu)音障礙是帕金森病的主要言語障礙。