As my colleague Ian o 'neill pointed out in an earlier article, electromagnetic waves from telecommunications leaking off the Earth have now expanded out to a radius of merely 100 light-years.
根据我的同事伊恩·奥尔良的一篇早期的文章，电磁波只能扩散到离地球100光年的范围。
About five o 'clock it was blue enough outside to snap off the light.
五点左右，外面天色更蓝，屋子里的灯可以关掉了。
About five o 'clock it was blue enough outside to snap off the light.
五点左右，外面天色更蓝，屋子里的灯可以关掉了。
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