[wèi xīng]
(圍繞行星運行的天體) satellite; moon
How many moons has the planet Jupiter?
木星有幾個衛星?
(人造衛星) artificial satellite; man-made satellite
weather satellite;meteorological satellite
氣象衛星
communications satellite
通訊衛星
launch an artificial satellite
發射衛星
a reconnaissance satellite
偵察衛星
a satellite for lunar probes
月球探測衛星