-plastWiktionary 原文演变路径（由近及远）英语源自 ←古希腊语 πλᾰστός “molded, formed”词源说明Derived from Ancient Greek πλᾰστός (plăstós, “molded, formed”).释义（英文）后缀 SuffixA small body, structure, particle, or granule, especially of living matter.A plastid.