空中: in the sky; in the air; aerial; overhead; midair 短语和例子在空中翻筋斗 make a somersault in midair; 在大战期间伦敦受到来自空中的袭击。 during the great war london was attacked from the air. 首次在空中航行的飞行器是气球。 the first
卫星: 1.(围绕行星运行的天体) satellite; moon 短语和例子木星有几个卫星 ? how many moons has the planet jupiter?2.(人造卫星) artificial satellite; man-made satellite 短语和例子气象卫星 weather satellite;meteorological satellite; 通
