奥运会有着一些特殊的仪式和要求，你知道多少呢？
The Olympic Games have always included a number of ceremonies，many of which emphasize the themes of international friendship and peaceful cooperation.The opening ceremony has always included the parade of nations，in which the teams from each nation enter the main stadium as part of a procession.The Greek team always enters first，to commemorate the ancient origins of the modern Games，and the team of the host nation always enters last.
