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单词 ephemeron
释义

WordReference Random House Unabridged Dictionary of American English © 2024
e•phem•er•on  (i fem′ə ron′, -ər ən),USA pronunciation n., pl. -er•a (-ər ə),USA pronunciation -er•ons. 
  1. anything short-lived or ephemeral.
  2. ephemera, items designed to be useful or important for only a short time, esp. pamphlets, notices, tickets, etc.
  • Greek ephé̄meron short-lived insect, noun, nominal use of neuter of ephé̄meros; see ephemeral
  • 1570–80

Collins Concise English Dictionary © HarperCollins Publishers::
ephemeron /ɪˈfɛməˌrɒn/ n ( pl -era / -ərə/, -erons)
  1. (usually plural) something transitory or short-lived
Etymology: 16th Century: see ephemeral
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更新时间：2025/7/23 8:07:44