单词	factor IX
释义	factor IX noun -ˈnīn  : a clotting factor that activates factor VIII and whose deficiency is associated with hemophilia called also Christmas factor Word History First Known Use 1955, in the meaning defined above Medical Definition factor IX noun -ˈnīn  : a clotting factor that activates factor VIII and whose absence is associated with hemophilia B called also autoprothrombin II, Christmas factor
随便看	fasc fasces fascet fasci fascia fasciae fascial fascias fasciate fasciated fasciation fasciations fascicle fascicled fascicles fascicular fascicular cambium fascicular tissue fascicularly fasciculate fasciculated fasciculation fasciculations fascicule fascicules

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。