edema of the face

例句：

1. 1. He developed a severe case of edema after the surgery.
   手术后他患上了严重的水肿。
2. 2. The patient was diagnosed with edema due to high blood pressure.
   由于高血压，这位病人被诊断出有水肿。
3. 3. Edema can be caused by various factors such as dehydration and improper diet.
   水肿可以由多种因素引起，如脱水和不适当的饮食。