北美东部的一种植物(河苔草属金鱼藻)，长有类似于海草的橄榄绿叶子，而且生长在流速很快的河流中的岩石上。

An eastern North American plant (Podostemum ceratophyllum) having olive-green foliage resembling seaweed and growing on rocks in rapidly flowing streams.

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事实上，一个主要的特点是，几乎80%的建筑总面积生长在岩石里。

One of the main features is the fact that almost 80% of the total area of the building is located inside the rock.

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