set-top box
noun/ˌset tɒp ˈbɒks/
/ˌset tɑːp ˈbɑːks/
- a device that allows digital television from cable, satellite, the internet, etc. to be seen on a television set that does not have this feature built in (= as part of the television)
机顶盒（数字电视转接装置，把数字电视信号转换成普通电视信号）