あぶら· also やに、ヤニ
fat; tallow; lard; grease
JLPT N2 Common word Also written 膏、膩、膠
Noun
歯医者はいしゃで歯はについたたばこのヤニを取とってもらうと、費用ひようはどれくらいかかるでしょう?
About how much does it cost to have a dentist remove cigarette tar from your teeth?