a court ball

• 宫廷舞会

a court ball的用法和样例：

例句

1. People attended the palace ball by dressing up.
   人们盛装打扮去参加宫廷舞会。
2. His orchestra became the officia1 dance orchestra for Austrian court balls.
   他的乐队成为奥地利宫廷舞会的正式舞曲乐队。