英语翻译
Left untreated,fluid collects in tissue.
原文:Four years ago,the World Health Organization and other groups began a campaign to end lymphatic filariasis.This disease is a leading cause of disablity in developing countries.Left untreated,fluid collects in tissue.Lymphatic filariasis can cause severe enlargement of the legs,arms and areas around the sexual organs.The disease is commonly known as elephantiasis.