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	Buridan's ass buried buried by the sands of time buried hill buried suture buried valley Burien burier buriers buries burin burinist burinists burins burion buriti buriti palm buriti palms burities buritis burity burity palm burity palms burk burka

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。