There are thousands of pieces of debris floating around in orbit, bits of old satellite or rocket even tools dropped in the past by space-walking astronauts.
有成千上万枚碎片在围绕轨道运动，可能是老旧的卫星，火箭，甚至过去进行太空漫步的宇航员遗落的工具。
We can even talk to astronauts (if you know any) while they're space-walking.
我们甚至能与正在太空行走的宇航员们交谈(如果你认识)。
We can even talk to astronauts (if you know any) while they're space-walking.
我们甚至能与正在太空行走的宇航员们交谈(如果你认识)。
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