N-COUNT (英国的)售旗募捐日，旗日，公益募捐日 In Britain, a flag day is a day on which people collect money for a charity from people in the street. People are given a small sticker to wear to show that they have given money. (英国的)售旗募捐日，旗日，公益募捐日

N-UNCOUNT 美国国旗纪念日(6月14日) In the United States, Flag Day is the 14th of June, the anniversary of the day in 1777 when the Stars and Stripes became the official U.S. flag. 美国国旗纪念日(6月14日)