Precambrian

形容词 adj. 专有名词
中文释义
英 /priːˈkam.bɹɪ.ən/    美 /priˈkæm.bɹi.ən/

英文释义

形容词 adj.
  1. Relating to the time and geology dated before the Phanerozoic informal,not-comparable
    — When you look at a Precambrian trilobite in the lobby of a New York bank, it is difficult to speculate about its primeval environment.
专有名词
  1. The Precambrian supereon; spanning from the formation of the Earth around 4.6 billion years ago to the emergence of hard-shelled creatures 541 million years ago.

词形变化

Pre-Cambrian alternative Pre-Cambrian alternative

词汇关系

反义词
Phanerozoic

词源

词源 1
Etymology tree
Proto-Indo-European *per-
Proto-Indo-European *preh₂-
Proto-Indo-European *-i
Proto-Indo-European *préh₂i?
Proto-Italic *prai
Proto-Italic *prai-
Latin prae-lbor.
Middle English pre-
English pre-
English Cambrian
English Precambrian
From pre- + Cambrian.
词源 2
Etymology tree
Proto-Indo-European *per-
Proto-Indo-European *preh₂-
Proto-Indo-European *-i
Proto-Indo-European *préh₂i?
Proto-Italic *prai
Proto-Italic *prai-
Latin prae-lbor.
Middle English pre-
English pre-
English Cambrian
English Precambrian
From pre- + Cambrian.
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