In water, carbon, combined as carbonates and bicarbonates, is the source for photosynthesis.

在水中以碳酸盐或碳酸氢盐形式存在的碳是光合作用的来源。

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In water, carbon, combined as carbonates and bicarbonates, is the source for photosynthesis.

在水中以碳酸盐或碳酸氢盐形式存在的碳是光合作用的来源。

youdao