是因为这些补剂补充了谷类食物中原本含量不多的铁质的翻译：Because these supplements complementing the cereal was originally not much content, iron 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Because these supplements to add a few grains of iron content in the original

Because these supplements complementing the cereal was originally not much content, iron

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It is because these supplements complement cereals in the original content of not more than iron

Because these supplements complementing the cereal was originally not much content, iron