英语词汇“heartwood”是什么意思，“heartwood”的读音、用法及例句翻译-烛光网

词汇	heartwood
释义	heart·wood AHD[härtʹw‹d'] D.J.[ˈhɑːtˌwʊd]K.K.[ˈhɑrtˌwʊd]n.（名词） The older, inactive central wood of a tree or woody plant, usually darker and harder than the younger sapwood. Also called duramen 心材，树干：树木或木本植物中较老的不再生长的部分，通常比树龄短的边材更硬且颜色更深也作 duramen
随便看	machine-readable machineries machinery machinery machines machine screw machine shop machine tool machine translation machine-wash machine–gun machine–readable machining machinist machinists machismo machismos Machmeter Mach number macho macho MACHO machos MACHOs Machs

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