Furthermore, the designs were covered with "desert varnish", a glaze that develops on rock surfaces over thousands of years of exposure to the elements.
此外，这些设计还覆盖有“沙漠清漆”，一种在岩石表面经过数千年在这些元素暴露下而形成的釉料。
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We have over 30 beautiful designs to select from.
我们有30多种美丽的图案可供选择。
《新英汉大辞典》
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Creative and unusual computer keyboard designs from all over the world.