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	Rx rxs ry ry and mourne ry angle ry bark ry buckwheat ry eagle ry modern ry national monument ry response ry rules ry sphere ry-billed woodpecker ry-de-val ry-of-the-snow rya ryal ryals Ryan ryania ryanodine ryas Ryazan' rybats

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。