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.

youdao

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.

youdao