油ゆ濁だく

noun

oil pollution; oil spill

Refers to contamination of water bodies by oil, often from tanker accidents or industrial discharge.

• タンカーの事じ故こで広こう範はん囲いに油ゆ濁だくが広ひろがった。

  Oil pollution spread over a wide area due to the tanker accident.

• 油ゆ濁だく防ぼう止しのための国こく際さい条じょう約やくがある。

  There is an international treaty for the prevention of oil pollution.