► 動詞
汚染 [おせん] [汚染する] meaning: pollution rank: 2
☆ 工場の排煙が大気を汚染した ⇨ The fumes from the factory polluted the atmosphere
► 名詞
汚染 [おせん] meaning: pollution rank: 2
☆ 環境汚染 ⇨ Environmental pollution
公害 [こうがい] meaning: pollution rank: 2
☆ 日本では経済成長と共に1950年代から公害が大きな問題になった ⇨ In Japan since the 1950’s pollution became a big issue as the economy developed (☛ Literally “public hazard”. Widespread industrial pollutions that affect general public)