柯林斯詞典Union Jack 1. N →a common name for Union flag 返回 Union Jack劍橋詞典the red , white , and blue flag of the UK 英國國旗 The Chinese anthem was played after the Union Jack was lowered in Hong Kong for the last time . 英國國旗在香港最後一次降下後，奏響了中國國歌。 返回 Union Jack