芭蕾舞的首席舞手

例句：

1. 1. The principal dancer is performing a solo for the audience.
   首席舞者正在为观众表演独舞。
2. 2. She was the principal dancer in the school's troupe.
   她是学校剧团的主要舞者。
3. 3. The principal dancer won the award for best performance.
   首席舞者因最佳表现奖而获奖。