| 单词 | quinquennium | 
| 释义 | Definition of quinquennium in English:quinquenniumnounPlural quinquennia, Plural quinquenniums kwɪŋˈkwɛnɪəmkwɪŋˈkwɛniəm 
 OriginEarly 17th century: from Latin, from quinque 'five' + annus 'year'. Definition of quinquennium in US English:quinquenniumnounkwiNGˈkwenēəmkwɪŋˈkwɛniəm 
 OriginEarly 17th century: from Latin, from quinque ‘five’ + annus ‘year’.  | 
	
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