alluvial soils

常见例句

Because the region around New Orleans is composed of alluvial soil, there is no paving material close at hand.
新奥尔良一带多为冲积土，因而附近没有可用的铺路石材。
Yet the soft alluvial sediment of Tokyo's low-lying areas, it is now understood, is vulnerable to liquefaction, in which violent movement turns the soil to quicksand.
人们现在意识到了，东京的一些地势低的地方，松软的冲积土很容易受到液化作用的影响，强烈的运动会使土壤成为流沙。