accidental spill

基本解释

The Impact of Accidental Oil Spill on Cultivated and Natural Vegetation in a Wetland …
尼日利亚尼日尔河三角洲湿地中石油的意外泄漏对栽培作物和天然植被的影响。
renrou.cn
The well spewed nearly five million barrels, making it the world's largest accidental marine oil spill.
油井喷出将近500万桶原油，成为史上最严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).
历史上最大的意外泄油事件，恰好也发生在墨西哥湾，起因是1979年一座墨西哥人的钻井平台（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.