| 单词 | ephemeral |
| 释义 | Word Frequency ephemeral(ɪˈfɛmərəl) adjective 1. lasting for only a short time; transitory; short-lived ephemeral pleasure noun 2. a short-lived organism, such as the mayfly 3. a plant that completes its life cycle in less than one year, usually less than six months Derived forms ephemerally (eˈphemerally) adverb ephemerality (eˌphemerˈality) or ephemeralness (eˈphemeralness) noun Word origin C16: from Greek ephēmeros lasting only a day, from hēmera day |
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