we witnessed a man-made satellite ____________(launch) into the outer space

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• we witnessed a man-made satellite ____________(launch) into the outer space填什么,具体分析下
• 英语翻译the universe means the earth,the sun,the moon and the space between them.many of the stars are so far away that we can see them.the moon,our satellite,travels around the earth.it has already been visited by man from the Earth man-made satellites have been sent up into space by many countries.they go round the Earth.They are used for helping us to learn more about the earth,the weather and other things.they are also used for sending and receiving m
• we witnessed a man-made satellite ____________(launch) into the outer space
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