limestone

19 篇文章
as each year rainwater eats away a little more limestone.
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as each year rainwater eats away a little more limestone. 因为每年雨水都会侵蚀掉少许石灰岩

rainwater limestone eats little year more away each as a
And over millions of years this acid eats away the limestone
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And over millions of years this acid eats away the limestone 石灰岩经过几百万年的酸蚀作用

limestone eats acid millions away of the this over and years
When the water reaches the more resistant bed of limestone
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When the water reaches the more resistant bed of limestone 当水流遇到更坚硬的石灰岩床时

bed resistant limestone reaches more water of when the
Rivers that flow over limestone often seem to completely disappear.
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Rivers that flow over limestone often seem to completely disappear. 流经石灰岩的河川 到最后似乎总是无影无踪

often limestone flow rivers seem completely disappear that to over
In Borneo, rain has sculptured the limestone into extremely sharp-sided pinnacles.
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In Borneo, rain has sculptured the limestone into extremely sharp-sided pinnacles. 在婆罗洲 雨水已将石灰岩 雕凿成无比尖削的石塔

pinnacles sharp-sided borneo limestone sculptured extremely rain into has in the
Originally, this whole area would have been one solid block of limestone,
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Originally, this whole area would have been one solid block of limestone, 起初 这整个地方都是 一整块坚固的石灰岩床

block solid originally limestone would area whole been of have this one
The limestone towers of Vietnam's Ha Long Bay
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The limestone towers of Vietnam's Ha Long Bay 越南下龙湾的石林

bay ha vietnam's limestone towers long of the
Limestone is composed of minerals derived from marine shells and corals,
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Limestone is composed of minerals derived from marine shells and corals, 石灰岩由海螺和 珊瑚中的矿物沉积后形成

corals shells marine derived minerals composed limestone from is of and
limestone.
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limestone. 石灰岩

limestone