alluvium

英 [əˈluːviəm]

美 [əˈluːviəm]

n.  冲积物; 冲积层

机械

BNC.47976 / COCA.44440

牛津词典

noun

• 冲积物；冲积层
  sand and earth that is left by rivers or floods

英英释义

noun

• clay or silt or gravel carried by rushing streams and deposited where the stream slows down
  Synonym:alluvial sedimentalluvial depositalluvion

双语例句