syndrome of upper excess and lower deficiency

例句：

1. 1.The patient was diagnosed with a syndrome of chronic fatigue.
   病人被诊断出患有慢性疲劳综合征。
2. 2. The symptoms of the syndrome were similar to those of malaria.
   该综合征的症状与疟疾相似。
3. 3.Researchers are trying to understand the syndrome that causes Alzheimer's disease.
   研究人员正在试图理解导致阿尔茨海默病的综合征。