alluvial(形容词):冲积的;由流水(河流等)搬运并沉积形成的。常用于描述冲积土/冲积层(alluvial soil/deposits),通常较肥沃,适合农业。
/əˈluːviəl/
The village is built on alluvial soil near the river.
村庄建在河边的冲积土上。
Over centuries, seasonal floods created alluvial deposits that reshaped the valley and enriched its farmland.
几个世纪以来,季节性洪水形成的冲积沉积物改变了山谷地形,并使农田更加肥沃。
来自拉丁语 alluvius(“被水冲来、冲积的”),与 lavare(“洗涤”)相关,体现“水流搬运并沉积”的地质过程含义。