Pierre de Coubertin presented the symbol and the flag at the Congress in1914, and it was first flown at the1920 Antwerp Games.是什么意思_Pierre de Coubertin presented the symbol and the flag at the Congress in1914, and it was first flown at the1920 Antwerp Games.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句