alluvium是什么意思？

alluvium

英[əˈlu:viəm] 美[ə'luvɪrm]

• n. 冲积层，淤积层；

复数：alluviums;

例句

• The increasing of land area along a shore by alluvium or by the recession of water. 由于沉积或海水退落而逐步形成新陆地的过程.
• Examples of application of the method include the results of a regional water and alluvium study. 作为方法应用的实例,列举了区域河水和沉积物研究所得结果.
• Many mining engineering subjects are established on geologic condition of alluvium. 众多矿业工程均建设于冲击地层的地质环境之中.

英英词典释义

• Noun
  1. clay or silt or gravel carried by rushing streams and deposited where the stream slows down

行业词典

• 地理学： 冲积物；又称 :冲积物(alluvial deposit )；冲积层；