基本解釋n. 蜉蝣；生命極短暫的東西同根派生 ephemeron相關(guān)詞詞組短語短語ephemeron table 暫時表Errant Ephemeron 遍歷蜉蝣ephemeron更多詞組英英字典柯林斯英英字典 something transitory or short-lived ephemeron劍橋字典ephemeron柯林斯字典專業(yè)釋義生物學(xué)蜉蝣(ephemeroptera)