Another suggestion is that the color might be related to ice with high levels of metallic compounds, including copper and iron.

另一种说法是，这种颜色可能与冰中含有的大量金属化合物有关，包括铜和铁。

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India is another key consumer of the metals and other raw materials that Rio Tinto produces, including copper, aluminium, coking coal and diamonds.

印度是另一个力拓公司的金属和原材料的主要消费国。印度消费的金属和原材料包括铜、铝、炼焦煤和金刚石。

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FDA has not set a "tolerance level" for many of the drugs, pesticides and heavy metals found in beef, including copper and arsenic, which can promote growth and inhibit certain parasites.

食品药监局并未为许多自牛肉中发现的药物、农药和重金属元素设立“容忍标准”——包括铜元素和砷元素在内，这些添加物可以促进牛只生长及杀灭某种寄生虫。

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Asia's depression undermined prices for commodities, including copper, grains and oil, all crucial Latin American exports.

FORBES: Playing the Latin rebound

This seems likely given recent falls in the prices of other industrial minerals, including copper, nickel and zinc.

FORBES: Connect

South America is the world's major exporter of raw materials, and Asia's sharp recession pummeled prices for commodities, including copper, grains and oil.

CNN: BRAZIL'S BOMB