英语词汇“θ22309”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

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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