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Precambrian的意思

Precambrian

英 [pri:'kmbrin] 美

n. 前寒武纪；前寒武层
adj. [地质] 前寒武纪的

Precambrian

英文词源

Precambrian (adj.): also Pre-Cambrian, 1861, from pre- + Cambrian.

双语例句

1. Two main glacial epochs affected both areas during the last 100 million years of Precambrian times.: 在前寒武纪的最后1亿年中，两个主要的冰川时期对两个地区都产生了影响。

2. Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.: 片麻岩, 变质岩, 可以发现,在常见的前寒武纪地区.

3. Precambrian time for as much as eighty - five percent of all geological time.: 从前寒武世纪以来地球地面大部分被冰川所覆盖的任何地质年代.

4. Early - Precambrian rocks are widely exposed in Dunhuang - Beishan area, GansuProvince.: 甘肃敦煌 - 北山地区广泛出露早前寒武纪岩石.

5. 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.

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