usnea / ˈʌs ni ə /

🎓大学词汇脐带血脐带血症脐带环脐带绕颈

usnea 的定义

n. 名词 noun
  1. any pale-green or gray, mosslike lichen of the genus Usnea, common on rocks and trees.

更多usnea例句

  1. We camped in a boggy hollow on a bluff among scraggy, usnea-bearded spruces.
  2. Usnea barbata is collected from trees in Pennsylvania, and used for an orange colour for yarn.
  3. It resembles carbonized horse hair and was called "horse hair usnea" by old Dillenius.
  4. The larger ones covered with lichens,—often hung with the long gray Usnea.
  5. It was in a section of Mississippi where there was no Usnea growing within 60 miles.