symphony

symphony
/ˈsɪmfənɪ; `sɪmfənɪ/ n
long complex musical composition, usu in three or four parts (movements) for a large orchestra 交响曲; 交响乐
    [attrib 作定语]
a symphony orchestra, ie a large orchestra that plays symphonies, etc 交响乐团.

牛津英汉双解词典