Tree with colored heartwood 心材木 ; 心材树种
tree with imperfect heartwood 熟材树种 ; 熟材木
tree with irregular heartwood formation 形成不规则心材的树木
The architects used finishes made from organic, environmentally friendly stains and sealants that contain natural resins and gums extracted from tree heartwood.
建筑师用有机、环保的染料和密封剂制成饰面，含有天然树脂和树心提取的树胶。
A spiny tropical American tree(Haematoxylon campechianum) in the pea family, having dark heartwood from which a dyestuff is obtained.
洋苏木一种美洲热带产豆科多刺乔木（墨水树）
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