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cot death 【醫學】(原因不明的)嬰孩猝死(癥)。

cotangent

Over one - quarter of the sudden infant death syndrome ( cot death ) is attributable to maternal smoking 逾四分之一的嬰兒突然死亡癥(嬰兒猝死癥)與母親吸煙有密切關系。