principal angle

• 主角

principal angle的用法和样例：

例句

1. She danced the principal role in the ballet.
   她在这个芭蕾舞中担任主角。
2. Through it all Richard Nixon moved as if he were himself a spectator, not the principal.
   尼克松自始至终表现得象旁观者，而不是主角。