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	pink bud stage pink calla pink cockatoo pink coral pink curlew pink dogwood pink dolphin pink elephants pink eye pink family pink gin pink lady pink lady slipper pink lady's-slipper pink laver pink madder pink mahogany pink meadowsweet pink milkwort pink needle pink noise pink patch pink pearl pink pill pink rhododendron

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。