But here we come up against the most difficult of all obstacles to contact with people on other planets — the astronomical distances which separate us.
然而,在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。
But now, the crystalloid has been detected two astronomical unit distances away from earth, and it is flying to the earth accurately with its precipitous unnatural orbit.
但现在晶体在两个天文单位外被探测到,它沿一条陡峭的绝非自然形成的轨道精确地飞向地球。
But now, the crystalloid has been detected two astronomical unit distances away from earth, and it is flying to the earth accurately with its precipitous unnatural orbit.
但现在晶体在两个天文单位外被探测到,它沿一条陡峭的绝非自然形成的轨道精确地飞向地球。
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