the Foreign and Commonwealth Office
noun🔊/ðə ˌfɒrən ən ˈkɒmənwelθ ɒfɪs/
🔊/ðə ˌfɔːrən ən ˈkɑːmənwelθ ɑːfɪs/
[singular + singular or plural verb] (abbreviation FCO)
the British government department that deals with relations with other countries. It used to be called the Foreign Office and it is still often referred to as this. 外交和联邦事务部（英国政府部门，旧称 the Foreign Office，现在仍常见此说法）