单词	betulinol
释义	betulinol noun bet·​u·​lin·​ol ˈbe-chə-lə-ˌnȯl, -ˌnōl plural -s : a crystalline triterpenoid alcohol C30H48(OH)2 occurring especially as the white pigment of the outer bark of the European birch (Betula alba) Word History Etymology betulin + -ol
随便看	corixid corixidaes Corizidae cork cork black cork cambium cork carpet cork elm cork fir cork jacket cork leg cork oak cork paint cork paper cork pine cork tan cork tile cork tree cork-bark elm corkage corkages corkbar fir corkboard corkboards corke

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