n.

1. 电视，电视广播[U]
   Television advertising boosted their sales.

   电视广告促进了他们的销售。

2. 电视机[C]
   She set the television to the Midnight News.

   她将电视机调到午夜新闻档。

3. 电视业[U]
   Television is an enormously competitive business.

   电视业是一个竞争性极强的行业。

n.

1. a system for converting visual images (with sound) into electrical signals, transmitting them by radio or other means, and displaying them electronically on a screen.
2. the activity, profession, or medium of broadcasting on television.
3. (also television set) a device with a screen for receiving television signals.