the visible layer of oil floating on water after a spill
用法筆記
Often paired with a cause (tanker, pipeline, rig) and a clean-up verb (clean up, contain, respond to). The harm to wildlife and coastlines is usually the focus.
常見錯誤
There was an oil spill on the kitchen floor.
There was an oil patch on the kitchen floor.
'oil spill' means large-scale environmental pollution, not a small everyday mess.