二に酸さん化か炭たん素そ削さく減げん義ぎ務むMeaningsNoun1. carbon dioxide reducing obligationKanji used二two酸acid化transformation炭charcoal素elementary削scrape off減reduction義justice務perform a taskComposed of二に酸さん化か炭たん素そcarbon dioxide; CO2Noun削さく減げんcut; reduction; curtailmentNoun義ぎ務むduty; obligation; responsibilityNoun