柯林斯词典Union Jack 1. N →a common name for Union flag 返回 Union Jack剑桥词典the red , white , and blue flag of the UK 英国国旗 The Chinese anthem was played after the Union Jack was lowered in Hong Kong for the last time . 英国国旗在香港最后一次降下后，奏响了中国国歌。 返回 Union Jack