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1. Oxford Dictionary

   crumb structure

   • n.
     the porous structure or condition of soil when its particles are moderately aggregated

   • noun: crumb structure

2. • 釋義

   n.

   名詞

   • 1. the porous structure or condition of soil when its particles are moderately aggregated good crumb structure depends on the amounts of clay and organic matter in the soil
3. • 更多解釋

   crumb structure

   • IPA[krəm ˈstrək(t)SHər]

   • n.
     the porous structure or condition of soil when its particles are moderately aggregated: good crumb structure depends on the amounts of clay and organic matter in the soil

   Oxford American Dictionary