Roman builders perfected the semicircular arch made of separate blocks of stone.

罗马的建造者完善了由不同的石块构成的半圆形拱门。

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And they are known to have used wooden pulleys, which could have been made strong enough to bear the weight of massive blocks of stone.

人们知道他们使用的是木制滑轮，这种滑轮可以被制造得足够坚固来承受大块石头的重量。

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The impressive part of it is the sheer precision with which the huge blocks of stone were worked.

最让人印象深刻的部分是它的上面每一块砖精度。

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I finished the 2nd and 3rd rows of stone blocks.

VOA: special.2009.02.07

Was it kings who hauled the craggy blocks of stone?

然木工石坊之作帝王乎

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This is my ruminations, not anything carved on blocks of stone as the one true truth.

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The Great Pyramid, a 146-metre-high mountain of stone, was created by arranging 2.3 million limestone blocks, each about 2.5 tonnes, with astonishing accuracy.

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