Cambrian explosion

短语

寒武纪大爆发

发音

UK /ˈkam.bɹɪ.ən ɪkˈspləʊ.ʒən/
AU
US /ˈkæm.bɹi.ən ɛkˈsploʊ.ʒən/

词形变化

Cambrian explosions 复数 Cambrian explosions

释义与例句

n.
  1. 1.

    The rapid appearance of anything.

    引申义

    There has been a Cambrian explosion of cryptocurrencies.

name
  1. 1.

    The relatively rapid appearance, during the Cambrian Period around 541 million years ago, of most major animal phyla, as demonstrated in the fossil record.

    寒武纪大爆发

词源

Of unclear origin, inspired by George Gaylord Simpson's description of "explosive" evolution. The earliest known use is in a BSCS high school biology textbook written in 1961 under the direction of paleobotanist Wilson Steward.

来源：wiktionary