| 单词 | double fertilization |
| 释义 | double fertilization double fertilization n.（名词）The union in flowering plants of two sperm nuclei. One sperm nucleus unites with the egg to form the diploid zygote, from which the embryo develops, and the other unites with two polar nuclei to form the triploid, primary endosperm nucleus.双受精：一个精核与卵结合构成双重合子，由此长成胚胎，另一个精核与两个偶极核结合，形成三重基本胚乳核 |
| 随便看 |
|
英汉双解词典收录913115条英汉汉英双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。