资料来源 : pyDict

漏斗作用; 狭管效应

资料来源 : WordNet®

funnelling
     See {funnel}

funnel
     n 1: a conical shape with a wider and a narrower opening at the
          two ends [syn: {funnel shape}]
     2: a conically shaped utensil having a narrow tube at the small
        end; used to channel the flow of substances into a
        container with a small mouth
     3: (nautical) smokestack consisting of a shaft for ventilation
        or the passage of smoke (especially the smokestack of a
        ship)
     [also: {funnelling}, {funnelled}]

funnel
     v : move or pour through a funnel; "funnel the liquid into the
         small bottle"
     [also: {funnelling}, {funnelled}]