单词	tube nucleus
释义	tube nucleus noun : the one of the two nuclei formed by mitotic division of a microspore during the formation of a pollen grain that is held to control subsequent growth of the pollen tube and that does not divide again compare generative nucleus Word History First Known Use 1939, in the meaning defined above
随便看	semisubmersibles semisubterranean Semisulcospira semisweet semisynthetic Semite semiter semiterrestrial semites semitest Semitic Semitic language Semiticist semiticists semiticize Semitics semitics semitise semitised semitises semitising Semitism semitisms Semitist semitists

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。