| 单词 | 寒武纪 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Archean〕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，或与之相关的美国传统〔Archeozoic〕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美国传统〔Cambrian〕Cambrian rocks 寒武纪时期的岩石剑桥高阶〔Cambrian〕The Cambrian Period.寒武纪美国传统〔Laurentian〕Geology Of or relating to the Precambrian gneissic granite of the Lake Superior area.【地质学】 劳伦岩基的：苏必利尔湖区前寒武纪片麻花岗岩的、或与之有关的美国传统〔Precambrian〕Precambrian rocks 前寒武纪岩石剑桥高阶〔Precambrian〕Precambrian time 前寒武纪时代／时期剑桥高阶〔Precambrian〕The Precambrian Era.前寒武纪时代美国传统〔Proterozoic〕Of, belonging to, or being the later of two divisions of Precambrian time, during which sponges, sea worms, and other forms of sea life appeared.原生代的，元古代的：前寒武纪两个时期中的后一个时期的，属于这个时期的，在这个时期的在这个时期海绵、海洋蠕虫和其它形式的海洋生命出现美国传统〔craton〕A large portion of a continental plate that has been relatively undisturbed since the Precambrian era and includes both shield and platform layers.稳定地块：一块大范围的大陆板块，从前寒武纪时代以来就一直是相当宁静的，包括盾状物和平台层美国传统〔epoch〕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。柯林斯高阶 |
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