elephantiasis

例句：

1. 1. The patient developed pleural effusion, which is a common cause of elephantiasis.
   该患者出现了胸膜积液，这是导致水肿病的常见原因。
2. 2. Elephantiasis can be caused by various factors, including prolonged standing or sitting.
   水肿病可能由多种因素引起，包括长时间站立或坐着。
3. 3. Treatment for elephantiasis often involves reducing the fluid in the body and promoting drainage.
   治疗水肿病通常涉及减少体内液体并促进排液。