geophagy
n. [内科] 食土癖；食土的习俗
例句
There’s a habit that’s had scientists puzzled: the practice of geophagy—eating dirt.
有种习俗令科学家困惑不已：食土（吃泥土）的习惯。
There's a habit that's had scientists puzzled: the practice of geophagy—eating dirt.
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。
