Step 3: eat less iron by eating less meat and iron-fortified foods.
第3步：少吃肉和铁强化食品来减少铁摄入量。
The next step leads us to the upper stage of barbarism the period when all civilized peoples have their heroic age : the age of the iron sword but also of the iron plowshare and ax.
下一步把我们引向野蛮时代高级阶段，一切文化民族都在这个时期经历了自己的英雄时代：铁剑时代，但同时也是铁犁和铁斧的时代。
The Third Step (Acid Wash) is to remove free iron, metallic residues, oxides, and other corrosion products from the surface of the metal.
第三步(酸洗)：去除金属表面的自由离子、金属残渣、氧化物和其他腐蚀产物。
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