What exactly constitutes this dark matter and dark energy remains mysterious, but physicists have recently uncovered some more clues, about the former, at least.
组成暗物质和暗能量确切成分一直很神秘，但是最近物理学家揭开了一些线索，至少是有关暗物质的线索。
What exactly constitutes this dark matter and dark energy remains mysterious, but physicists have recently uncovered some more clues, about the former, at least.
组成暗物质和暗能量确切成分一直很神秘，但是最近物理学家揭开了一些线索，至少是有关暗物质的线索。
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