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TOEFL BNC: 3745 COCA: 4513
density
noun [U] /ˈdensəti/
  1. 1
    the amount of something in a place (某地某物的数量)密度

    the density of vegetation in the area 这个地区的植被密度

     Synonyms and related words
    General words for numbers, amounts and quantities: accumulation, allocation, allowance...
  2. 2
    the degree to which something is heavy or thick 密度;浓度
     Synonyms and related words
    Weight and describing weight: counterpoise, counterpoise, counterweight...
  3. 3
    physics a measurement of how much space a particular amount of a substance takes up. It is found by dividing its mass by its volume. 密度(物体重量除以体积)
     Synonyms and related words

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