heart-wood

英['hɑːtw'ʊd] 美['hɑːtw'ʊd]
  • n.心材
  • deficiency n.缺乏;不足;缺陷;缺点
  • of prep.关于;...的(表所属);出身于;由于
  • phosphofructokinase n.[生化]磷酸果糖激酶
名词 heartwood:
  1. the older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood