什么是 satellite?Astronomy A celestial body that orbits a planet; a moon.Aerospace An object launched to orbit Earth or another celestial body.A nation dominated politically and economically by another nation.An urban or suburban community located near a big city.One who attends a powerful dignitary; a subordinate.A subservient follower; a sycophant.Genetics A short segment of a chromosome separated from the rest by a constriction, typically associated with the formation of a nucleolus.Microbiology A colony of microorganisms whose growth in culture medium is enhanced by certain substances produced by another colony in its proximity.