- 問題詳情: Fromaplaneyoucanseethefields,cities,mountainsorriversbelow.Ifyougointospace,youseemoreandmoreoftheEarth.Manyman-madesatellites(人造衞星)aresentintospacetolookattheEarth,thestarsandotherplanetsandtolearnmoreaboutthem.TheMoonisourneighbourin...
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