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单词 θ22309
释义
the world > plants > part of plant > part of tree or woody plant > wood > [noun] > heart-wood or duramen (4)
heart1324

= heartwood, n. 2. Also: the heartwood of (a specified tree). Cf. heart of oak, n. 1.

core1604

Applied to the heart of timber, etc., and in expressions thence derived.

spine1630

The heart-wood or duramen of a tree.

duramen1837

The central wood or heart-wood of an exogenous tree.

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更新时间:2024/12/24 11:06:28