基本解释n. 蜉蝣；生命極短暫的東西同根派生 ephemeron相关词词组短语短語ephemeron table 暫時表Errant Ephemeron 遍歷蜉蝣ephemeron更多词组英英字典柯林斯英英字典 something transitory or short-lived ephemeron剑桥字典ephemeron柯林斯字典专业释义生物學蜉蝣(ephemeroptera)