单词	pi electron
释义	pi electron noun : an electron involved in a pi bond Word History First Known Use 1950, in the meaning defined above
随便看	Annapolis Basin annapolises annapolisses Annapolitan Annapurna annapurnae annapurnas annas annat annates annats annatto annatto tree annattos anncr Anne Anne of Austria Anne of Cleves anneal annealed annealer annealers annealing annealings anneals

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。