名词
中文翻译：硬木
同义词：
['sapwood', 'heartwood']
例句：
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1. The furniturewas made from the finest hardwoods.
这家具是用最好的硬木制成的。
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2. The tree's heartwood is invaluable for making furniture.
这种树的硬木是制作家具的宝贵资源。
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3. Thewoodworker used a saw to cut throughthe sapwood and heartwood.
这位木匠用锯子将软木和硬木分开。