| 单词 | cotyledon |
| 释义 | cotyledon/ˌkɒtɪˈli:dn ||; ˌkɑtḷˈidṇ/noun [c] a part inside a seed that looks like a small leaf, which the developing plant uses as a store of food. cotyledons are the first parts of the seed to appear above the ground when it begins to grow. 子叶（位于种子内部，形似小叶子，种子发芽时首先露出地面） |
| 随便看 |
英汉双解词典收录171353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。