Most limestone and sandstone aquifers are deep and extensive but may contain groundwaters that are not being recharged.

大部分的石灰岩和砂岩的蓄水层都是深而广的，但可能含有不可再生的地下水。

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Most limestone and sandstone aquifers are deep and extensive, but may contain groundwaters that are not being recharged.

大多数石灰岩和砂岩的蓄水层很深并且规模很大，但是它们含有的地下水可能是当前无法再生的。

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Scientists at Argonne National Laboratory repurposed a 1.6-kilowatt industrial laser to burn through shale, limestone, and sandstone.

阿尔贡国立实验室的科学家们再次计划使用一支1.6千瓦的工业激光器击穿页岩，石灰岩和砂岩。

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There are many levels of granite, schist,limestone,and sandstone.

VOA: special.2009.10.07

Dr Keller, however, contends that the sandstone, shale and limestone layers were deposited over a long period of time.

ECONOMIST: Some new ideas about why life on Earth has periodic crises

Above the globules are several metres of sandstone, shale and limestone.

ECONOMIST: Some new ideas about why life on Earth has periodic crises