and

4265 篇文章
Variations in water flow and the air currents
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Variations in water flow and the air currents 水流和气流的变化

variations flow currents air water in the and
and that creates stalagmites.
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and that creates stalagmites. 最后形成石笋

stalagmites creates that and
and when it meets the air in the cave
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and when it meets the air in the cave 当它与洞内空气接触时

meets cave air it when in the and
and they're still getting bigger
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and they're still getting bigger 它们仍在不断扩大

getting bigger they're still and
and gram for gram are worth as much as silver.
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and gram for gram are worth as much as silver. 每克燕窝的价值堪比白银

silver worth gram much for as are and
and using ladders made from forest vines the gatherers climb into the highest reaches of the cave
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and using ladders made from forest vines the gatherers climb into the highest reaches of the cave 采集者利用树藤编成的梯子爬到洞穴的最高处

gatherers vines ladders using cave climb highest forest reaches made into from of the and
and not only for the birds.
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and not only for the birds. 不仅只是针对这些鸟而言

birds only not for the and
It's a remarkable skill and one we still do not fully understand.
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It's a remarkable skill and one we still do not fully understand. 我们至今仍未能完全了解 这种了不起的本领

understand fully skill remarkable we do not it's still and one a
becomes a clear and obvious target and is asking for trouble.
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becomes a clear and obvious target and is asking for trouble. 立刻成为显眼的目标 很快便遭了殃

trouble asking obvious clear becomes target for is and a
and fly straight back for more.
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and fly straight back for more. 然后径直返回继续捕猎

fly back straight more for and