The encounter, though, has been going on for about a few hundred million years, the blink of an eye in cosmic history.
遭遇过程却只进行了大约几百万年，对于宇宙的历史来说只是一眨眼的工夫。
The encounter, though, has been going on for about a few hundred million years, the blink of an eye in cosmic history.
遭遇过程却只进行了大约几百万年，对于宇宙的历史来说只是一眨眼的工夫。
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