Deficiencies in certain organic chemicals can cause mental retardation in babies, rickets, beriberi, blindness, scurvy and many other diseases.
缺乏某些有机化合物，能引起婴儿智力迟钝、佝偻病、脚气病、失明、坏血病和其它许多疾病。
Deficiencies in certain organic chemicals can cause mental retardation in babies, rickets, beriberi, blindness, scurvy and many other diseases.
缺乏某些有机化合物，能引起婴儿智力迟钝、佝偻病、脚气病、失明、坏血病和其它许多疾病。
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