In the absence of sufficient iron red blood cells cannot form properly.

在铁质不足的情况下，红细胞不能正常地形成。

youdao

The basic physicochemical properties and reducibility of the scale and iron red in an iron and steel plant are researched.

对钢铁厂铁鳞、铁红的基本物化性能和还原性能进行了研究。

youdao

Iron red replaced by red clay, titanate as coupling agent, F53-33 iron red phenolic anti-rust paint qualified has been prepared.

用红土取代酚醛防锈漆中氧化铁红，辅以钛酸酯偶联剂，制出F53 - 33铁红酚醛防锈漆。

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Other signs are red marks on the skin, feelings of extreme tiredness and lack of iron in the body.

VOA: special.2009.04.14

Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, iron, why is Mars red?

水银是液态金属，水银，行星，是肉眼能看到的运动最快的天体,火星，铁，为什么火星是红色的？

麻省理工公开课 - 固态化学导论课程节选

Other signs are red marks on the skin and lack of iron in the body.

VOA: special.2010.06.15

The highest dune here soars to 380 metres, and tinted red by its high iron content it glows almost crimson at dusk.

BBC: The ghostly shore of Namibia��s Skeleton Coast

We see high HgA1Cs that are accurate measurements, but not reflective of glucose control in people with low red cell turnover from iron, vitamin B12 or folate deficiency.

CNN: Why do my A1C results from different sources vary?

You'll notice a big improvement when you both eat red meat and take iron pills (supplements are usually necessary to get out of the iron-deficient status but usually do not need to be consumed long term).

CNN: Will eating meat help recovery after long runs?