cudbear / ˈkʌdˌbɛər /

📖毕业后词汇灰熊泥菩萨过江自身难保泥菩萨心肠

cudbear 的定义

n. 名词 noun
  1. a violet coloring matter obtained from various lichens, especially Lecanora tartarea.

更多cudbear例句

  1. A mordant of alum, followed by a hot bath of brazil wood, and afterwards by a weak one of cudbear.
  2. The above deep red feathers are passed through a bath of cudbear.
  3. Instead of logwood a little madder is sometimes used; also Cudbear or Barwood.
  4. The manufacture of Archil and Cudbear from the various lichens is simple in principle.
  5. The lichens thus treated acquire gradually a deep purple colour, and form the products called "cudbear."