calamite 的定义
- any fossil plant of the genus Calamites and related genera of the Carboniferous Period, resembling oversized horsetails and constituting much of the coal used as fuel.
更多calamite例句
- Among tissue petrifactions there are many Calamite stems of various stages of growth.
- Calamite, kal′a-mīt, n. a fossil plant abundant in the coal-measures, believed to be a kind of gigantic horse-tails (Equisetace).