膝反射 xīfǎnshè knee-jerk reflex Definitions Defs Origin Strokes Stroke Words Sentences Sents 膝反射 xīfǎnshè knee-jerk reflex knee jerk or knee reflex; an automatic kicking movement produced by a stimulus to the knee
膝反射 xīfǎnshè knee-jerk reflex knee jerk or knee reflex; an automatic kicking movement produced by a stimulus to the knee
