1. a rare congenital anemia characterized by pancytopenia and hypoplasia of the bone marrow. 
   一种罕见的先天性贫血症，特征是骨髓中的细胞减少。
2. He is riddled with defects. 
   他尽是缺点。
3. A comprehensive study published recently in the Journal of Genetic Counseling indicates such children run an only slightly higher risk of significant genetic disorders like congenital heart defects -- about two percentage points above the average 3％ to 4％. 
   最近发表在《遗传学咨询》杂志上的一份综合性研究表明近亲婚姻所生的小孩患上主要遗传性疾病如先天性心脏缺陷的可能性只比一般小孩略高--大约比平均的3％到4％高出两个百分点。
4. a congenital disease in which the pancreas and lungs and intestines become clogged with mucus. 
   胰或肺或肠内天生阻塞的一种病症。
5. congenital dislocation of hip 
   先天性髋关节脱位

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