盐的密度低于周围的岩石，所以会向上抬升，使覆盖其上的岩层形成穹顶状。
Salt has lower density than the surrounding rock, so it tends to flow upwards, pushing up the overlying layers of rock to form a dome.
墙在建筑中间被设计成了穹顶状，以创造出餐厅的空间。
In the center of the architecture, radial walls were cut off in dome shape, to make space for a dining table.
远处的一个穹顶状物引起了他们的注意。
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