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	droughtiest droughtiness droughtinesses droughts droughty drouk drouked drouket drouking droukings droukit drouks drouth drouthier drouthiest drouths drove drove (away or off) drove (into) drove away drove away or off drove into drove off drove out drove road

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