单词	seed fern
释义	seed fern noun : any of an order (Pteridospermales) of extinct cycadophytes with foliage like that of ferns and with naked seeds Word History First Known Use 1907, in the meaning defined above
随便看	propositions propositios propositus proposta propound propounded propounder propounders propounding propounds propoxy- propoxyphene propoxyphenes propped propped (up) propped up propper propping propping (up) propping up propr propraetor propraetorial propraetorian propraetors

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。