英语词汇“embryo sac”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	embryo sac
释义	embryo sac in British English noun the structure within a plant ovule that contains the egg cell: develops from the megaspore and contains the embryo plant and endosperm after fertilization embryo sac in American English Botany the female gametophyte of a flowering plant, consisting typically of a microscopic elongated sac that is situated within the ovule and contains eight nuclei in seven cells: it gives rise to the embryo and endosperm of the seed after fertilization
随便看	critical judgment critically critical mass criticalness critical path critical path analysis critical path method critical period critical phase critical point critical pressure critical question critical region critical role critical shortage critical speed critical state critical temperature critical volume criticaster criticisable criticise criticiser criticisingly criticism

英语词典包含298861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。

embryo sac in British English