Oil sands consist of clay, sand, and other minerals, coated in water and thick, viscous oil called bitumen (or asphalt).

油砂包含有粘土、沙子和其它矿物，由水和粘稠的沥青把它们混合在一起。

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Oil sands consist of clay, sand, and other minerals, coated in water and thick, viscous oil called bitumen (or asphalt).

油砂包含有粘土、沙子和其它矿物，由水和粘稠的沥青把它们混合在一起。

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