The first Bridges made by humans were probably spans of cut wooden logs or planks and eventually stones, using a simple support and crossbeam arrangement.

而人造桥则是由切段原木或是厚木板、石头搭建起来并用横梁做支撑的拱。

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DRILLING tunnels beneath the wooden pillars that support one of Europe's oldest cities sounds mad.

在欧洲最古老城市的地下钻隧道——这个城市还是由木质地桩支撑起来的——听起来有些疯狂。

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The wooden structure as a skeleton is the support for different skins, textures, shadows and lights.

木制的骨架结构受不同表皮、纹理、阴影和灯光的支持。

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The remains feature a number of postholes which would have held wooden posts to support the walls and roof, probably covered with turf.

BBC: Artist's impression of the house