lower edge
英 美
In many semiarid areas there is also a lower timberline where the forest passes into steppe or desert at its lower edge, usually because of a lack of moisture.
在许多半干旱的地区中,同样存在树带界限的下限区域;在这片区域之内,由于缺乏水分,森林下沿区域的植被通常会逐渐变成干草原或沙漠。
The overhang at the lower edge of a roof.
位于屋顶的最低的边缘的上方的突出部分。
The steering wheel rim has a flat lower edge.
方向盘的边缘有一个平坦的下边缘。
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