广播通道设计

例句：

1. 1. Thenews was broadcast live on the national televisionnetwork.
   新闻在国家电视网络上直播。
2. 2. Thesports event was broadcast live to millions ofviewers worldwide.
   体育赛事全球数百万观众实时直播。
3. 3. The music video was broadcast across socialmedia platforms.
   音乐视频在社交媒体平台上广泛传播。