satellite

sat‧el‧lite W3 / sætəlaɪt, sætɪlaɪt / 名词 [可数名词]

1 a machine that has been sent into space and goes around the Earth, moon etc, used for radio, television, and other electronic communication :

the launch of a communications and weather satellite

via/by satellite (= using a satellite )

This broadcast comes live via satellite from New York.

2 a natural object that moves around a planet :

The moon is a satellite of the Earth.

3 a country, area, or organization that is controlled by or is dependent on another larger one :

the former Soviet satellite country of Lithuania

4 a town that has developed next to a large city :

We stayed in Aurora, a satellite suburb of Chicago.