单词	metalation
释义	metalation noun met·​al·​a·​tion plural -s : the process of attaching a metal atom to a carbon atom of an organic molecule Word History Etymology metal entry 1 + -ation
随便看	touched (upon) touched base touched base (with) touched base with touched bill touched down touched off touched on touched on or upon touched up touched upon toucheous toucher touchers touches touches (on or upon) touches (on) touches (upon) touches base touches base (with) touches base with touches down touches off touches on touches on or upon

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