Recording this light allows astronomers to trace the gamma rays back to their cosmic sources.

记录这种光可以使天文学家们将伽马射线跟踪到宇宙中的射线源。

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Recording this light allows astronomers to trace the gamma rays back to their cosmic sources.

记录这种光可以使天文学家们将伽马射线跟踪到宇宙中的射线源。

youdao