| 单词 | ephemeron | 
| 释义 | e·phem·er·on    (ĭ-fĕmə-rŏn′)n. pl.   e·phem·er·a (-ər-ə) or   e·phem·er·ons  1.  A short-lived thing. 2.   ephemera Printed matter of passing interest. [Greek ephēmeron, mayfly, from  neuter of ephēmeros, daily, short-lived; see  EPHEMERAL.]  | 
	
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