Precambrian

听听怎么读

英 [ˈpri:ˈkæmbriən]

美 [priˈkæmbriən]

是什么意思

前寒武纪，前寒武层；

英英释义

Precambrian[ pri:'kæmbriən ]

n.the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago
同义词：Precambrian eonPrecambrian aeonPrecambrian period

学习怎么用

双语例句

用作名词(n.)

Selected Papers on Precambrian iron Deposits.
前寒武纪铁矿论文集。
Rapakivi is a special rock in Precambrian.
环斑花岗岩是发育于前寒武纪的一种特殊岩石。

用作形容词(adj.)

Rapakivi is a special rock in Precambrian.
环斑花岗岩是发育于前寒武纪的一种特殊岩石。

权威例句

A new Geologic Time Scale, with special reference to Precambrian and Neogene
The early Precambrian odyssey of the North China Craton: A synoptic overview
Isotopic evidence for the Precambrian provenance and Caledonian metamorphism of high grade paragneisses from the Seve Nappes, Scandi...
Precambrian sponges with cellular structures
Tibetan, Variscan, and Precambrian Basement Reactivation: Products of Continental Collision
Precambrian geology of China
An Outline of the precambrian evolution of the baltic shield
Precambrian metamorphic basement and sedimentary cover of the North China Craton: A review
Geological and geochronological evidence for the Precambrian evolution of the Tarim Craton and surrounding continental fragments
Biomat-related lifestyles in the Precambrian

p开头的单词