单词	pentoxide
释义	pentoxide noun pent·​ox·​ide pent-ˈäk-ˌsīd  : an oxide containing five atoms of oxygen in the molecule Word History Etymology International Scientific Vocabulary First Known Use 1851, in the meaning defined above Phrases Containing pentoxide vanadium pentoxide vanadium pentoxide Medical Definition pentoxide noun pent·​ox·​ide pent-ˈäk-ˌsīd  : an oxide containing five atoms of oxygen in the molecule see iodine pentoxide
随便看	pastoralization pastoralize pastorally pastoralness pastoralnesses pastorals pastorate pastorates pastored pastorelle pastores pastoria pastoring pastorium pastoriums pastorless pastorly pastors pastorship pastorships pastos pastose pastosely pastosity pastourelle

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。