网站首页 英语词典
That polyacetylenes are present in flames has been demonstrated many times.
已多次证实火焰中存在聚乙炔.
辞典例句
Aryl substituted polyacetylenes and their derivatives exhibit a lot of novel optical , electric, magnetic properties.
芳基取代聚炔及其衍生物呈现出光电磁等许多新颖的性能.
互联网
国先网英语在线翻译词典收录了4367410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。