单词 | primary endosperm nucleus |
释义 | primary endosperm nucleusnoun : the nucleus formed by the fusion of two polar nuclei in the embryo sac of a seed plant prior to fertilization called also secondary nucleus compare endosperm nucleus |
随便看 |
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。