Precambrian

小编由分享时间：2025-05-15 06:53:41

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

用法：

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

英语词源：

Precambrian (adj.)

also Pre-Cambrian, 1861, from pre- + Cambrian.

造句：

1. Of or relating to the oldest known rocks, those of the Precambrian era, that are predominantly igneous in composition.

太古代的所知的最古的前寒武纪时代岩石，其组成成分主要为火成岩的，或与之相关的

-- 来源 -- 英汉 - 短句参考

2. (geology) formed in the later of two divisions of the Precambrian era.

（地质学）在前寒武纪后半部分形成的。

-- 来源 -- 汉英 - 翻译参考

3. Precambrian geology

前寒武纪地质学

-- 来源 -- 英汉 - 短句参考

4. Of, belonging to, or designating the earlier of two divisions of the Precambrian era.

早期前寒武纪（的）前寒武纪的两期中较早的一期的，属于它的或以其命名的

-- 来源 -- 英汉 - 短句参考

5. Precambrian flora

前寒武纪植物

-- 来源 -- 英汉 - 短句参考

6. (geology) formed in the earlier of two divisions of the Precambrian era.

（地质学）在前寒武纪中的前半部分中形成的。

-- 来源 -- 汉英 - 翻译参考

7. Precambrian time accounts for as much as eighty-five percent of all geological time.

前寒武纪占据了整个地质年代的百分之85。

-- 来源 -- 英汉 - 翻译样例 - 工程

8. The Precambrian Era.

前寒武纪时代

-- 来源 -- 英汉 - 短句参考

9. Usually the archeozoic and Proterozoic eras are grouped together and referred to as Precambrian in age. Precambrian rocks have been intensely deformed, metamorphosed and intruded, and are relatively barren of fossils.

通常太古代和元古代被归在一起而称作前寒武纪，前寒武纪的岩石多遭受强烈变形、变质或被岩浆岩侵入，岩石中缺少化石。

-- 来源 -- 英汉 - 翻译样例 - 工程

10. The second great era after the Precambrian is called Mesozoic Era which extends from 230 million to 65 million years ago. It is the age of dinosaurs.

前寒武之后第二个大的代是中生代，它从距今2.3亿年一直延续到距今6500万年，这个时期是恐龙的时代。

-- 来源 -- 英汉 - 翻译样例 - 工程