v make politically neutral and thus inoffensive
v make ineffective by counterbalancing the effect of
v oppose and mitigate the effects of by contrary actions
v get rid of (someone who may be a threat) by killing
v make incapable of military action
v make chemically neutral
v. 使失效( neutralize的第三人称单数 ); 抵消; 中和; 使（一个国家）中立化