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1. Oxford Dictionary

   CO2

   • IPA[ˌsiːəʊˈtuː]

   英式

   • n.
     (especially in the context of the environment and climate change) carbon dioxide

   • noun: CO2

2. • 釋義

   n.

   名詞

   • 1. (especially in the context of the environment and climate change) carbon dioxide industries that are large emitters of CO2 may be required by law to reduce their carbon footprint the proposed coal mine will emit 8.4 million tonnes of CO2 each year
3. • 更多解釋

   CO2

   • IPA[ˌsēˌōˈto͞o]

   美式

   • n.
     (especially in the context of the environment and climate change) carbon dioxide: industries that are large emitters of CO2 may be required by law to reduce their carbon footprint the proposed coal mine will emit 8.4 million tons of CO2 each year

   Oxford American Dictionary