1.Exercising too much with no iron supplements will tip one over the edge into a more serious deficiency.
锻炼太多而又未服铁质补剂，可能改变人体的含铁量，使之处于严重缺铁状态。
2.A serious deficiency of iodine occurs, therefore, mainly in populations living off the land in remote and isolated regions.
因此，严重的缺碘症主要发生在居住在偏远与世隔绝的地区里的人们身上。
3.It gets harder to absorb vitamin B12 from food as you age, and a serious deficiency can look a lot like Alzheimer's disease.
随着年龄的增加，从食物中吸收维他命B12变得更加困难，B12的严重不足会使你看起来像是患有老年痴呆症。
4.Correspondingly, the existing provisions related the third party has exposed the serious deficiency of legislation.
相应的，现行法律有关行政诉讼第三人的规定便暴露出严重的立法缺陷。
5.A major observation is a serious deficiency.
一个主要的观测数据是严重的缺陷。
6.Thus, shortening rotation length may cause serious deficiency of site N and P2O5 on site.
若缩短轮伐期，则可能导致立地N和P2O5的严重亏缺；
7.A serious deficiency in his ability to perform or in his creditworthiness; or
他履行义务的能力或他的信用有严重缺陷；或