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'u2014eating dirt.有种习俗令科学家困惑不已:食土(吃泥土)的习惯。
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。