TED演讲2018——如何把外太空的低温转换成可再生资源
如何把外太空的低温转换成可再生资源视频链接Every summer when I was growing up, I would fly from my home in Canada to visit my grandparents, who lived in Mumbai, India. Now, Canadian summer are pretty mild at best, about 22 degrees Celsius(摄氏度) or 72 degrees Fahrenheit(华氏度),
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2020-06-06 16:43:50 ·
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