How the word "おせん（汚染）" is translated into English
工場の排水による川の汚染が問題になっています。
汚染を防ぐために、新しい設備を導入しました。
この地域では空気の汚染はそれほどひどくないそうです。
"おせん（汚染）" is in the lesson "Manufacture" (Level 37), along with 14 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.
