heartwood / ˈhɑrtˌwʊd /

🎓大学词汇心木心材核心木材心木类

heartwood 的定义

n. 名词 noun
  1. the hard central wood of the trunk of an exogenous tree; duramen.

更多heartwood例句

  1. She also authored Heartwood, a story collection for adult literacy students, and edited The Ringing Ear: Black Poets Lean South.
  2. The spores of a heartwood-inhabiting fungus cannot germinate and thrive unless they fall upon the heartwood of the tree.
  3. Spores of parasitic fungi enter the cracks, germinate and infect the heartwood.
  4. Nearly all the larger trees in the Fuegian forests have the heartwood decayed, and are worthless as timber.
  5. Pur′ple-wood, -heart, the heartwood of Copaifera pubiflora, used for ramrods.
  6. The living outer portion of a trunk or large branch of a tree between the heartwood and the bark.