单词	tetracovalent
释义	tetracovalent adjective tet·​ra·​covalent : sharing four covalent bonds with other atoms or characterized by such sharing tetracovalent nitrogen Word History Etymology tetra- + covalent
随便看	benumbs benweed benweedes benweeds Benxi benz- benzal benzal chloride benzaldehyde benzaldehydes benzaldoxime benzalkonium benzamide benzamido- Benzamine Brown 3GO benzanilide benzanthracene benzanthracenes benzanthrone Benzedrine benzedrines benzene benzene hexa benzene hexachloride benzene ring

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。