CSIS
noun /ˈsiːsɪs/
/ˈsiːsɪs/
- a service of the Canadian government that investigates terrorism and similar threats to Canadian society (the abbreviation for ‘Canadian Security Intelligence Service’)
加拿大政府的一项服务，旨在调查恐怖主义和对加拿大社会的类似威胁（“加拿大安全情报服务”的缩写）