| 词汇 | cambrian period |
| 类别 | 英汉双解翻译词典 |
| 释义 | cambrian period 释义 寒武纪：地质年代的一个时期，距今约5.4亿年前，是古生代的第一个时期，以生物多样性的爆发和无脊椎动物的出现而著名。 例句 1·During the Cambrian period , 500 million years ago, worm-like creatures were evolving into fish-like creatures. 在5亿年前的寒武纪，似蠕虫生物逐渐演化成似鱼生物。 2·The basement strata and the migmatite, however, were formed much later, about Cambrian period and early palaeozoic era. 但其基底地层和混合岩形成时代较晚，为寒武纪和下古生代。 3·Afterward, global large-scale massive volcanic activity in Permian Period generally brought about metamorphism whole middle Cambrian Period volcanic sediment rock in research area. 二叠纪全球性大规模火山活动，致使区内整个中寒武纪的火山沉积岩普遍发生变质。 |
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