The more sand falls, the more time has passed.
落下的沙子越多,流逝的时间就越多。
Perhaps so much time has passed that there will never be satisfactory answers to the cave images, but their mystique only adds to their importance.
或许因为时间太过于久远,以至于对于这些岩洞壁画的解释,我们可能永远都无法找到令人满意的答案,但是它们的神秘感反而增加了其重要性。
Interval: How much time has passed?
时间间隔:已经过了多少时间?
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