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Neocomian

/,ni:ә'kәjmiәn/

📖 中文释义

  1. a. [地]尼奥科姆统的
📘 English Definition（英文释义）
  1. n. A term applied to the lowest deposits of the Cretaceous
  2. or chalk formation of Europe, being the lower greensand.
  3. a. Of or pertaining to the lower greensand.
N 字母词表