detritus

detritus
[dɪˈtrʌɪtəs]
noun
  1. [mass noun]waste or debris of any kind
    废物；残骸
    the streets were foul with detritus.
    街道上散发出垃圾的腐臭。
    ■gravel, sand, silt, or other material produced by erosion
    （由于侵蚀形成的）沙砾，沙子，泥沙等
    ■organic matter produced by the decomposition of organisms
    （有机物的）腐质
派生
detrital
adjective
语源
  1. late 18th cent. (in the sense 'detrition'): from French détritus, from Latin detritus, from deterere 'wear away'
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