英文字典中文字典Word104.com
|
|
heartwood 音標拼音: [h'ɑrtw,ʊd] n. 赤木質,心材 赤木質,心材 heartwood n 1: the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood [synonym: {heartwood}, {duramen}] Heartwood \Heart"wood`\ (h[aum]rt"w[oo^]d`), n.
The hard, central part of the trunk of a tree, consisting of the old and matured wood, and usually differing in color from the outer layers. It is technically known as {duramen}, and distinguished from the softer {sapwood} or {alburnum}. [1913 Webster]
請選擇你想看的字典辭典：
|
安裝中文字典英文字典查詢工具!
英文字典中文字典相關資料: |