国歌是代表一个国家的歌曲,在举行国家庆典、隆重集会和国际交往仪式时,都要演奏或演唱国歌。对于一个主权国家来说,国歌和国旗、国徽有同样重要的意义。国歌既然是“歌”,就应当由歌词和曲调共同组成。其歌词内容常常反映一个国家的政治、历史、文化、宗教、地理环境、社会 The national anthem is a song that represents a country. All national anthems must be played or sung during the ceremonies of national celebration, grand assembly and international exchange. For a sovereign country, the national anthem is equally important for its national flag and national emblem. Since the national anthem is a “song,” it should be composed of lyrics and tunes. The lyrics often reflect the content of a country's political, historical, cultural, religious, geographical environment, society