词汇“richen”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	richen
释义	richenrichen[ˈritʃn]vt.1.■使富有; 使浓; 使(混合燃料)可燃成分更高richen a mixture增加混合物的浓度
随便看	clean surplus concept clean tanker clean tillage clean trace clean track clean up clean-up additive clean up on clean-up period clean-up process clean-up pump clean-up scraper clean up the aircraft clear CLEAR -clear -clear clear (1,000 pounds) from clear acceptance clearage clear air clear-air turbulence clear all command clear an aircraft to pass clearance

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