单词	collective security
释义	collective security noun : the maintenance by common action of the security of all members of an association of nations Word History First Known Use 1934, in the meaning defined above
随便看	aqua ammoniae aqua aromatica aqua blue aqua camphorae aqua destillata aqua et ig aqua et igni interdictus aqua fortis aqua gray aqua green aqua green tint aqua mirabilis aqua regia aqua system aqua vitae aqua vitaes aqua- Aqua-Lung aquabelle aquacade aquacades aquacise aquacises aquacrops aquacultural

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