“Archaeornithes”的概念、定义、翻译、参考文献-科学参考

单词	Archaeornithes
释义	Archaeornithes [´ärk·ē`ȯr·nǝ´thēz] ^PALEONTOLOGY A subclass of Upper Jurassic birds comprising the oldest fossil birds.
随便看	keel block keel condenser keel molding keelson Keene's cement keep-alive circuit keep-alive electrode keeper keeps Keesom force Keesom relationship Keewatin kefir keg buoy Kegel karst kehoeite Keilor skull Kekeya needle problem Kekulé structure Keldysh theory K electron Kell blood group system kellering Kellner eyepiece Kellogg equation

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。