指尖链有道词典

silurian

S 开头单词托福词汇

音标发音

  • 英式音标 [sai'ljuəriən; si-]
  • 美式音标 [sai'ljuəriən; si-]
  • 国际音标 [sai'ljuəriən; si-]

基本解释

  • adj. 志留纪的；希留利亚纪的
  • n. （地质）志留纪；希留利亚纪

同根派生

     

英汉例句

  • Porphyry mineralization, occurred in the Silurian Period, finally formed ore bodies.
    晚期矿化发生于志留纪, 使矿床最终形成.
  • The contact relationship between Silurian and Devonian is parallel unconformity.
    泥盆系与志留系之间为平行不整合接触.
  • THE RETZIELLIDAE ( SILURIAN RIBBED IMPUNCTATE ATHYRIDIDINE BRACHIOPODS )
    论志留纪的小莱采贝类——具壳线、无疹无窗贝族(腕足动物 )
  • Porphyry mineralization, occurred in the Silurian Period, finally formed ore bodies.
    晚期矿化发生于志留纪, 使矿床最终形成.
  • The contact relationship between Silurian and Devonian is parallel unconformity.
    泥盆系与志留系之间为平行不整合接触.

词组短语

    短语

  • ordovician silurian 奥陶纪志留纪
  • Silurian Pediod 志留纪
  • Silurian corals 葛治洲
  • the silurian 志留纪
  • pre silurian 志留纪前的

英英字典

    柯林斯英英字典

  • of, denoting, or formed in the third period of the Palaeozoic era, between the Ordovician and Devonian periods, which lasted for 25 million years, during which fishes first appeared 2500
  • the Silurian period or rock system

专业释义

    地球科学

  • 志留系

    The Silurian was mainly medium sand, fine sand, siltstone and pelitic siltstone in shallow sea.
    志留系沉积以滨浅海的中细砂岩、粉砂岩及泥质粉砂岩为主。

  • 志留纪

    • 能源科学技术

  • 志留系

    Acidizing treatments in TaZhong(TZ)12 Silurian sandstone formation had achieved little effect and should be improved for inadequate understanding on the damage and inappropriate acid system.
    塔中(TZ)12油田志留系砂岩储层在以往酸化改造现场实践中，由于对储层伤害认识不够深入，酸液类型和配方针对性不强，酸化有效率和增产率有待进一步提高。

  • 志留纪