| 单词 | birth defect |
| 释义 | birth defect birth defect n.（名词）A physiological or structural abnormality that develops at or before birth and is present at the time of birth, especially as a result of faulty development, infection, heredity, or injury.Also called congenital anomaly 先天缺损：在出生时或出生前产生的生理或结构畸形，尤其指由不良发育、传染、遗传或受伤造成也作 congenital anomaly |
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