call announcer

例句：

1. 1. The call announcer informed the audience about the upcoming event.
   呼叫员通知观众即将发生的事件。
2. 2. The radio announcer introduced the new show tonight.
   广播员今晚介绍了新节目。
3. 3.The broadcaster was responsible for providing accurate information to the public.
   播音员负责向公众提供准确的信息。