单词：ground surface
ground surface的用法和样例：
例句
- The confining material rises to the surface.覆盖层升高至地表。
- He also found a layer of small stones just below the surface.他还找到在地表以下有一层小石块。
- The hen pecked up the grains on the ground.母鸡啄起地面上的谷粒。
- Water was found ten feet below the surface.在地面下十英尺处找到了水。
- The light showed nothing beyond an irregular surface of snow.灯光没有照到任何东西，除了那崎岖不平的雪地表面。
- For one thing, Earth's surface in the area of Manhattan is composed of solid concrete and nothing can grow there.举个例子来说，曼哈顿地区的地表面都是由坚硬的混凝土构成的，在那里什么也不能生长。
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