原因不明的英文

cryptogenic

unknown origin

例句与用法

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The immediate cause of death is unknown .
死亡的直接原因不明。
Some obscure disease had taken the fire out of her figure .
某种原因不明的疾病已经夺去了她体内的生命之火。
The term cardiac arrest may be defined as an unexplained and unanticipated cessation of cardiac activity .
心博骤停一词可以下定义为原因不明，没有先兆的心脏活动停止。
This lesion should be suspected whenever a cirrhotic patient exhibits unexplained clinical deterioration .
不论何时，凡肝硬变患者一旦出现原因不明的衰弱，都应怀疑肝癌