Proterozoic

基本解释

• adj. 元古代的；元古代岩石的；原生代的
• n. 元古代；元古代岩系；原生代

英汉例句

双语例句

• The history of Earth is divided into four eons — starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.
  地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。
• But during the Proterozoic this occurred over timescales of hundreds of millions of years and progressively led to an oxygenated atmosphere.
  他说，“有机物的过剩其实消耗氧气，在元古时代，这些经历了上亿年的时间周期并逐步形成了有氧空气。”
• The characteristics of the deposits show that they have mostly been controlled by Archean greenstone belt and carbonate rock strata since Early Proterozoic.
  矿床特征显示出铅锌矿床的形成大多明显地受到了太古代绿岩带及早元古代以来碳酸盐岩地层的控制；

• Proterozoic更多例句

词组短语

短语

• proterozoic metamorphic 元古代变质岩
• later proterozoic 晚元古代
• Proterozoic Age 元古宙
• Proterozoic Neoproterozoic 埃迪卡拉纪
• Early Proterozoic 早元古代;代早期

• Proterozoic更多词组

英英字典

柯林斯英英字典

• the later of two divisions of the Precambrian era, during which the earliest plants and animals are assumed to have lived &rarrcompareArchaeozoic
• of or formed in the late Precambrian era

• Proterozoic剑桥字典
• Proterozoic柯林斯字典

专业释义

地球科学

• 元古代
• 元古宇
• 原生代
• 元古宙

生物学

• 元古代