A fatal syndrome that affects sleeping infants under a year old, characterized by a sudden cessation of breathing and thought to be caused by a defect in the central nervous system. Also called crib death婴儿猝死综合症：一种作用于不满周岁的熟睡中的婴儿的致命病症，其特征是呼吸突然终止，医学界认为是中央神经系统的缺陷所引起的 也作 crib death