The following natural surfaces respond differently to backcountry travel.

以下的自然地表对野外行进有不同的反应。

youdao

OUTSOLE: PU with reinforced frame and 12 fixed studs. For use on firm, natural surfaces.

大底：有加强筋框架的PU和12组用于固定的销钉。

youdao

The interior space focuses on the function of the building with light and natural surfaces.

室内空间的设计关注于建筑的有关采光和自然表皮的功能。

youdao

Although feet were designed to walk barefoot on Earth's natural surfaces (grass, sand or gravel), they were not prepared to endure the concrete, asphalt and steel that covers so many landscapes today, Thompson said.

CNN: Flip-flops present feet with a painful problem

Impressionists favor the clear light of midafternoon, and instead of focusing on panoramic views, they concentrate on the quality of natural light reflected on specific surfaces a single copse of trees, a short span of running river, a group of village houses and rooftops.

WSJ: Nature in America | A Landscape in Evolution | By Barrymore Laurence Scherer

Instead of pattern or fine painting, their surfaces are all drips and cracks that, contemplated in the dim natural light of the teahouse, may suggest large natural events.

CNN: ASIANOW - TIME Asia | The Subtle Magic of Koetsu