ISN
/,aɪɛs'ɛn/ 0Switzerland's information network for security and defense studies and for peace and conflict research and for international relations.
noun [专属名词]abbr. 信息系统网络（InformationSystemNetwork）；综合业务网（IntegratedServicesNetwork）；国际信令网（InternationalSignalingNetwork）；内码（internal statement number）
No, it isn \ 't my umbrella.
不，这不是我的雨伞。
单词造句: