The main building of the Beichuan Middle School, a seven-story structure, had been reduced to a pile of rubble about 2 meters high.

原本七层的北川中学主教学楼，已经成为了仅高两米的废墟堆。

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Little formal data exist in the medical or rescue literature to objectively define the length of time victims have survived under the rubble of a collapsed structure.

在医学或搜救的文献中，几乎不存在客观定义人在倒塌的建筑废墟下的存活时间的正式数据。

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In China, the slope protection for stone filled embankment mainly adopts rubble masonry structure, which has several disadvantages in construction quality control and natural landscape harmony etc.

目前，我国公路建设中填石路堤边坡防护主要采用块石码砌，其在施工质量控制和自然景观协调方面存在诸多不足。

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This porosity could be in the form of micro porosity (think pumice) or macro porosity (think large voids and a rubble pile structure) or probably even both.

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Now Kael went about the business of building a structure in the rubble.

NEWYORKER: What She Said