Learn English free online - how to pronounce word in English - English Learning Online- www.pronounceword.com






Gyroceras
  • 英语发声
  • 美语发声
  • Gyroceras is an extinct genus of prehistoric nautiloid. The nautiloids are a subclass of shelled cephalopods that were once diverse and numerous but are now represented by only a handful of species.
  • 网络释义

    1、环角石
    ... 环角石 Cycloceras 环角石 Gyroceras 环角石壳 gyroceracone ...
    2、环角石属
    ...环带状物 zone环角石属 gyroceras环节藻属 champia ...

    短语

    专业释义

    地球科学
    • 环角石

    英英释义




    英汉双解大词典