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Please click on the white arrows to see the vocabulary cards. 一架望远镜一枚火箭一名宇航员太阳系太阳水星金星地球火星木星土星天王星海王星星星月亮 Previous Next
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Please click on the white arrows to see the vocabulary cards. telescoperocketastronautSunMercuryVenusEarthMarsJupiterSaturnUranusNeptunestarsMoon Previous Next
Please click on the white arrows to see the vocabulary cards. telescoperocketastronautSunMercuryVenusEarthMarsJupiterSaturnUranusNeptunestarsMoon Previous Next
