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单词 K/T boundary
释义

Definition of K/T boundary in English:

K/T boundary

proper noun
  • short for Cretaceous–Tertiary boundary

Origin

1980s: K/T, from the symbols for Cretaceous and Tertiary.

Definition of K/T boundary in US English:

K/T boundary

proper noun
  • short for Cretaceous–Tertiary boundary

Origin

1980s: K/T, from the symbols for Cretaceous and Tertiary.

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更新时间:2024/12/26 23:08:50