帮忙写3分钟左右英文课前说的话题

Baron de Coubertin designed the Olympic Flag in 1913-14. It has five interlocking rings (blue, yellow, black, green and red) on a white background. The ring's colours were based on the knowledge that at least one of these colours is on every flag of each participating country. The five interlocking rings represent the union of the five continents and the meeting of the athletes of the world at the Olympic Game.

The Olympic Flag was used for the first time in the 7th Olympiad in Antwerp, Belgium in 1920. It is paraded during the opening ceremony of each Game. At the end of the Games, the Olympic Flag is presented to the next host city by the Games host city.
A flame was lit during the entire event of the Olympics during the ancient Olympic Game known as the Olympic Flame.
现代奥运会创始人顾拜旦于1913－1914年间设计了奥运会的会旗。它由5个奥林匹克环从左至右套接而成，可以是单色，也可以是蓝、黄、黑、绿、红5种颜色。最初的解释是五种颜色代表各国国旗的颜色，后来又将5个不同颜色的圆环解释为五大洲的象征。1920年，奥林匹克旗第一次飘扬在安特卫普夏季奥运会体育场。这届奥运会后，历届奥运会开幕式上由上届举办城市转交此旗，由举办城