请输入您要查询的英文单词:
单词
embryo sac
释义
WordReference Random House Unabridged Dictionary of American English © 2024
em
′
bryo sac′,
[
Bot.
]
Botany
the megaspore of a seed-bearing plant, situated within the ovule, giving rise to the endosperm and forming the egg cell or nucleus from which the embryo plant develops after fertilization.
1870–75
随便看
stereotactically
stereotape
stereotaxic
stereotaxis
stereotomist
stereotomy
stereotropism
stereotype
stereotyped
stereotyper
stereotypist
stereotypy
stereovision
steric
sterical
sterically
steric hindrance
sterigma
sterilant
sterile
sterilely
sterilise
sterility
sterilizability
sterilizable
英语词典包含188688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。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/11/19 16:46:47