accidental spill

基本解释

The Impact of Accidental Oil Spill on Cultivated and Natural Vegetation in a Wetland …
尼日利亞尼日爾河三角洲溼地中石油的意外泄漏對栽培作物和天然植被的影響。
renrou.cn
The well spewed nearly five million barrels, making it the world's largest accidental marine oil spill.
油井噴出將近500萬桶原油，成爲史上最嚴重地海底原油泄露事故。
The largest accidental oil spill in history, which was also in the Gulf, was due to a 1979 blowout on a Mexican rig called Ixtoc-1 (see chart).
歷史上最大的意外泄油事件，恰好也發生在墨西哥灣，起因是1979年一座墨西哥人的鑽井平台（Ixtoc-1）爆裂。

But this week, Mr.Obama could report apparent success in a different sort of battle -- against the largest accidental oil spill ever at sea.