a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12) 同义词：pernicious anemia, malignant anemia, malignant anaemia,
例句与用法
1.
- to see if the dogs developed pernicious anaemia -他们是否会患恶性贫血的试验
2.
To see if the dogs developed pernicious anaemia 他们是否会患恶性贫血的试验
3.
Three of the dogs are feeble but it isn ' t pernicious anaemia 三只狗很虚弱，但是不是恶性贫血
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