1893tr. Weismann's Germ-Plasm i. i. 63 Every id of the germ-plasm contains the whole of the elements which are necessary for the development of all subsequent idic stages.
英语词典包含277258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。