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单词 pernicious anemia
释义
pernicious anemia
n.
A severe anemia most often affecting older adults, caused by failure of the stomach to absorb vitamin B12 and marked by a decrease in number and an increase in the size of red blood cells, by gastrointestinal disturbances, and by lesions of the spinal cord.
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更新时间:2025/1/7 11:20:51