alburnum

n. 边材 [医] 液材(树干的边材)

词形变化

alburnums 复数 alburnums

释义与例句

n.
  1. 1.

    sapwood; the soft, newer wood in the trunk of a tree found between the bark and the hardened heartwood.

    不可数

词源

From Latin alburnum, from albus (“white”), since it is often paler in color than the heartwood.

来源：wiktionary