在接下去的几年里，他发现了越来越古老的史前古器物，并推动了日本所知先史学的界限。

During the following years he discovered older and older artifacts that pushed the limits of Japan's known pre-history.

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我们被引导着去相信我们能找到很大一部分经过多年冻结形成的更古老、更厚的冰层，这些冰已经存在很多年了，而且会越来越厚。

We'd been led to believe that we would encounter a good proportion of this older, thicker, technically multi-year ice that's been around for a few years and just gets thicker and thicker.

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当中国变得越来越富裕强盛，则越来越注重其内在价值，要么是其现在的优势，要么是其古老的文明。

As it grows richer and stronger, China is more and more affirming the inherent value, if not the actual superiority, of its ancient civilisation.

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