单词	perisperm
释义	perisperm noun peri·​sperm ˈperəˌspərm 1 : nutritive tissue of a seed derived from the nucellus and deposited external to the embryo sac —distinguished from endosperm 2 : nutritive tissue of a seed that includes both endosperm and perisperm —not used technically perispermal ¦⸗⸗¦spərməl adjective or perispermic -mik Word History Etymology French périsperme, from péri- peri- + -sperme -sperm
随便看	safety island safety isle safety lamp safety lift safety link safety lock safety match safety net safety nut safety paper safety pin safety pinion safety plug safety rail safety razor safety shoe safety stop ouabaio Ouachita Ouachita Mountains ouachitae ouachitas Ouagadougou ouakari ouakaris

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。