acrometagenesisWiktionary 原文英美构词拆解acroacro-前缀metameta-前缀genesisgenesis词干acro-The extremities: limbs, head, fingers, toes, etc. · Located or positioned at a tip or tips of an object or body.meta-(anatomy and zoology) Behind. [From 19th century] · (botany and zoology) Later or subsequent. [From 19th century]词源说明From acro- + meta- + genesis.释义名词noun1An abnormal growth of the limbs