当氧耗尽时，在方铁矿中遗留下氧耗尽的空洞，形成眼球状构造。

When the oxygen was consumed up by the wustite, some holes remained and showed eyeball structures.

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一方面，力拓公司与中国的关系是十分清楚的：由于中国对铁矿石的巨大需求，2009年，该矿业巨头有四分之一的收入来自中国。

In ONE respect Rio Tinto's relationship with China is clear. That country accounted for a quarter of the mining giant's revenues in 2009, mainly because of China's voracious appetite for iron ore.

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就铁矿石来说，中国最大的供应方-澳大利亚和印度-已经无法满足其迅速增长的需求。

Take iron ore. China's biggest suppliers-australia and india-have been unable to cope with the surge in demand.

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