他们顺坡下山,向那个村子走去。
这时,他看到在山的另一侧,顺坡而下有一行马蹄印。
Then he saw the marks going down the other side of the mountain.
岩溶作用在小区产生了顺坡或顺层延伸的溶洞和深部蜂窝状溶孔。
Many slope-parallel or layer-parallel caves near the surface and beehive-like dissolved holes in depth were generated by karstification in the area.
应用推荐