网站首页 词典首页
A small organelle, present in the meristematic regions of a plant, that acts as a precursor in the development of plastids.
1920s.
春雷网英语在线翻译词典收录了464360条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。