常见例句refractory anemia with ring sideroblast 环形铁粒幼红细胞性难治性贫血refractory anemia with sideroblast 伴铁粒幼红细胞难治性贫血Sideroblast stain 成高铁红细胞染色ringed sideroblast 环形铁粒幼红细胞 返回 sideroblast