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1. Oxford Dictionary

   depletion

   • IPA[dɪˈpliːʃn]

   英式

   • n.
     reduction in the number or quantity of something

   • noun: depletion, plural noun: depletions

2. • 釋義
   • 相關詞

   n.

   名詞

   • 1. reduction in the number or quantity of something the depletion of the ozone layer

   ozone depletion

   • n.
     reduction in the concentration of ozone in the ozone layer: this chemical contributes to ozone depletion

   Oxford American Dictionary

   depletion allowance

   • n.
     a tax concession allowable to a company whose normal business activities (in particular oil ...

   Oxford Dictionary

   ozone depletion

   • n.
     reduction in the concentration of ozone in the ozone layer: this chemical contributes to ozone depletion

   Oxford Dictionary

   depletion allowance

   • n.
     a tax concession allowable to a company whose normal business activities (in particular oil ...

   Oxford American Dictionary

3. • 更多解釋

   depletion

   • IPA[dəˈplēSH(ə)n]

   美式

   • n.
     reduction in the number or quantity of something: the depletion of the ozone layer

   Oxford American Dictionary