海洋不像陆地那样有植被覆盖，一个特别的原因就是因为其缺乏关键元素——铁。

One reason the sea (unlike the land) is not covered with plants is that it lacks crucial nutrients—iron, in particular.

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并且她指出在亚洲大陆部分地方，缺铁是种地方病，铁元素的补充无疑成为了公共卫生的一个更大的压力。

And she says in places such as the Asian subcontinent - where iron deficiency is endemic - supplementing with iron delivers an even larger bang for the public health buck.

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这个想法导致赵恩•马汀断言，“给我半油轮的铁，我将给你一个冰河时代。”赵恩•马汀曾是位于加利福尼亚的苔陆海洋实验室的领导。

It was this thought that caused John Martin, once head of the Moss Landing Marine Laboratories in California, to declare, "give me half a tanker of iron, and I'll give you an ice age."

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