geophagy

例句：

1. 1.The geophagia of the city has become a major concern for environmentalists.
   城市的地理上的贪食症已成为环保主义者的重大问题。
2. 2.This disease is characterized by geophagia and weight gain.
   这种疾病以贪食和体重增加为特征。
3. 3. The researcher found that geophagia could be linked to certain genetic disorders.
   研究者发现，贪食症可能与某些遗传性疾病有关。