the UK       
 noun uk/ˌjuːˈkeɪ/ us/ˌjuːˈkeɪ/
 联合王国,英国(United Kingdom的缩写)
abbreviation for the United Kingdom: the country of Great Britain and Northern Ireland
  When were you last in the UK? 那么你上次去英国是什么时候? 
 the UK      
adjective [ before noun ] uk/ˌjuːˈkeɪ/ us/ˌjuːˈkeɪ/
UK 英国的;英国人的
belonging to or relating to the United Kingdom or its people
  the UK ambassador to Sweden 英国驻瑞典大使