| 单词 | ephemera |
| 释义 | ephemera 1. n. (pl. ephemeras or ephemerae) 1. a an insect living only a day or a few days. b any insect of the order Ephemeroptera, e.g. the mayfly. 2. = EPHEMERON. Etymology: mod.L f. Gk ephemeros lasting only a day (as EPI-, hemera day) 2. pl. of EPHEMERON 1. |
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