1. the emergence of many new organisms including most ancestral lineages of present-day animal species that occurred at the beginning of the Cambrian period This “Cambrian explosion” marks the advent (at least into direct evidence) of virtually all major groups of modern animals—and all within the minuscule span, geologically speaking, of a few million years. — Stephen Jay Gould, Wonderful Life, 1989 … he found a shale outcrop, about the length of a city block, containing an unrivaled array of fossils from soon after the moment when complex life burst forth in dazzling profusion—the famous Cambrian explosion. — Bill Bryson, A Short History of Nearly Everything, 2003
Cambrian explosion 片语
片语
the e cambrian explosion寒武纪大爆发
The Cambrian Explosion寒武纪大爆发
cambrian life explosion生命进化
A Cambrian Explosion寒武纪大爆发
Cambrian explosion 例句
英汉例句
Some excited people have likened this technological upheaval to the Cambrian explosion 500m years ago, when evolution on Earth speeded up in part because the cell had been perfected and standardised.