据称，由皇家泰瑞尔博物馆的大卫·埃伯斯等科学家负责的一个项目，在加拿大亚伯达省境内发掘了世界上最大的恐龙墓地。
The world's largest dinosaur graveyard has been discovered in Alberta, Canada, according to David Eberth of the Royal Tyrrell Museum and other scientists working on the project.
另一个可能的氯联苯污染源是世界上最大船只墓地，努瓦迪布（毛里塔尼亚西北部港市）南部。
Another probable source of the PCBs is one of the world's largest ships' graveyards.
另一个可能的氯联苯污染源是世界上最大船只墓地，努瓦迪布（毛里塔尼亚西北部港市）南部。
Another probable source of the PCBs is one of the world's largest ships' graveyards.
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