Koplik's stigma of degeneration

例句：

1. 1. The Koplik'sstigma of degeneration is acommon sign in newborns with respiratory infections.
   科普利克氏退化斑点是新生儿呼吸道感染的常见标志。
2. 2. Thestudy found that the Koplik's stigma of degeneration could be usedto predict the onset of pneumonia in infants.
   研究发现，科普利克氏退化斑点可以用来预测婴儿肺炎的发病。
3. 3. The doctor explained that theKoplik's stigmaof degeneration was a sign of infectionand required immediate treatment.
   医生解释说，科普利克氏退化斑点是一种感染的迹象，需要立即治疗。