二に酸さん化か炭たん素そ削さく減げん義ぎ務むじ字FuriganaAudioMeanings1nounobligation to reduce carbon dioxide emissionsA formal, policy-oriented term used in environmental and legal contexts, referring to a binding duty to cut CO₂ output.京きょう都と議ぎ定てい書しょは各かっ国こくに二に酸さん化か炭たん素そ削さく減げん義ぎ務むを課かした。Break this sentence down in the analyzerThe Kyoto Protocol imposed an obligation to reduce carbon dioxide emissions on each country.