heartwood
英
['hɑːtwʊd]
美
['hɑːrtwʊd]
-
Noun:
-
the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood
-
用作名词 (n.)
-
The narrow band of sapwood is very similar in colour to the heartwood.
边材的窄带颜色与心材非常相似。
-
-
以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌