We might expect that early artistic efforts would be crude, but the cave paintings of Spain and southern France show a marked degree of skill.

我们可能会认为早期的艺术作品是粗糙的，但西班牙和法国南部的洞穴壁画表现出了出众的技巧。

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"In that cave," he said to himself, "there must be a fire."

“在那个洞里，”他自言自语道，“一定有火。”

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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。

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The more I thought of it the more I realized that any hole in the ground that could house such a gigantic army of bats must be a whale of a big cave .

VOA: special.2009.12.07

"The more I thought of it the more I realized that any hole in the ground that could house such a gigantic army of bats must be a whale of a big cave ...

VOA: special.2011.04.11

The surrounding region is turning out to be a treasure trove for archeologists, anthropologists and speleologists, or cave explorers.

VOA: standard.2009.12.14

He says that the MLB Fan Cave will be a terrific venue for his inaugural event and that MLB has been very generous thus far.

FORBES: Inaugural Sports PR Summit To Take Place At MLB Fan Cave

The air exiting the cave would be cooled by the thermal mass of the surrounding rock to within a degree or two of the yearly average temperature.

FORBES: China Braces for Escalating Power Shortages

But Leeds refused to be cave in, and restored parity through the irrepressible Smith, whose superb header left Howard floundering.

BBC: SPORT | Football | Premiership | Man Utd 1-1 Leeds