acromyotoniaWiktionary 原文英美构词拆解acroacro-前缀myotoniamyotonia词干acro-The extremities: limbs, head, fingers, toes, etc. · Located or positioned at a tip or tips of an object or body.词源说明From acro- + myotonia.释义名词noun1(pathology) myotonia of the limbs