eating earth, clay, chalk; occurs in some primitive tribes, sometimes in cases of nutritional deficiency or obsessive behavior
例句
To get rid of livestock's disease of paralysis, cartilage and also can prevent pig and chicken's geophagy. 防避畜禽软骨症、瘫痪症、以及防止猪、鸡的异食癖症;
It may also explain why geophagy is often most common among pregnant women and nursing mothers. 这也或可解释吃土习惯为何在孕妇和哺乳的母亲身上通常最为常见。
Unfortunately, geophagy is also practiced to avoid hunger pains when other food is scarce. 遗憾的是，一旦其他食物缺乏，人们也吃土以避免挨饿之苦。
Geophagy also has a long history in the U.S., where some eat clay and ship packages of it to relatives far from home. 吃土的做法在美国也历史悠久，有些人会吃土，还寄一包包泥土给客居他乡的亲人。
Yet, geophagy is actually relatively common practice in many parts of the world. 对，食土辟实际上在世界各地相对来讲是较为普遍的。
People can often get more of these nutrients from geophagy than from taking vitamin supplements. 可能就是为什么这些食土人士经常声称土的味道是“酸的”而且喝望得到它。
