| 单词 | ephemeral | 
| 释义 | ephemeral  (ɪfemərəl  )       adjective  If you describe something as ephemeral, you mean that it lasts only for a very short time.  [formal]  He talked about the country's ephemeral unity being shattered by the defeat.    These paintings are in some ways a reminder that earthly pleasures are ephemeral.   Synonyms:  transient, short, passing, brief      | 
	
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