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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	defrock defrocked defrocking defrocks defrost defrosted defroster defrosters defrosting defrosts defroze defrozen deft defter defterdar deftest deftlier deftliest deftly deftness deftnesses defueled defueling defuelled defuelling

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。