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They had found the cool afterglow of the big bang: the cosmic microwave background radiation.
他们发现的是大霹雳冷却后的馀晖: 宇宙微波背景辐射.
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You might say , well, look, we have the cosmic microwave background radiation.
或许你会说, 看, 我们还有宇宙微波背景辐射.
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