Cambrian

/'kæmbriәn/

BNC频率: 13437

现代语料频率: 29548

a. 寒武纪的

n. 寒武纪, 威尔士人, 寒武系

n. from 544 million to about 500 million years ago; marine invertebrates

s of or relating to the earliest known rocks formed during the Precambrian Eon

unicellular organisms are earliest forms of life s of or belonging to earlier of two divisions of the Precambrian era

of or relating to the earliest known rocks formed during the Precambrian Eon

of or belonging to earlier of two divisions of the Precambrian era

late Cambrian to late Triassic

今日更新

更新时间：2025-08-10 21:19:46