名词
中文翻译：公共广播系统
同义词：
['公共广播系统，公共演讲系统例句：1. The public-address system is used to broadcast announcements to the audience.（公共广播系统用于向观众广播公告。）']
例句：
-
1. The public-address system is used to broadcast announcements to the audience.
公共广播系统用于向观众广播公告。
-
2.The public-address system was designed to improve communication between different departments.
公共广播系统被设计用来改善不同部门之间的沟通。
-
3.The public-address system was a revolutionary innovation in the field of communication.
公共广播系统是通信领域的一项革命性创新。