素食者如不食用大量的牛奶和鸡蛋，会因缺乏维生素B12患上恶性贫血症。
Vegetarians are particularly subject to pernicious anemia (results from deficiency of vitamin B12) unless they eat generous amounts of milk and eggs.
素食者如不食用大量的牛奶和鸡蛋，会因缺乏维生素B12患上恶性贫血症。
Vegetarians are particularly subject to pernicious anemia (results from deficiency of vitamin B12) unless they eat generous amounts of milk and eggs.
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