食材铺反向词典

Ordovician

食材铺反向词典

音标发音

  • 英式音标 [ˌɔː.dəˈvɪʃ.ən]
  • 美式音标 [ˌɔːr.dəˈvɪʃ.ən]
  • 英式发音
  • 美式发音

基本解释

  • n.奥陶纪；奥陶系
  • adj.奥陶纪的

同根派生

     

英汉例句

    用作名词 (n.)

  • This was the result from the large-scale regression in the Late Ordovician.
    这是奥陶纪晚期大规模海退的结果。
  • Major hydrocarbon source rocks are in the Cambrian and Ordovician.
    寒武-奥陶系烃源岩是该区主力烃源岩;

英英字典

    剑桥英英字典

  • from or referring to the period of time between about 485 and 445 million years ago, in which there were many different types of animals in the sea, including vertebrates (= animals with back bones), but no life on land