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单词
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
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更新时间:2026/7/20 16:55:11