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.
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。
The practice of dirt-eating, or geophagy, is common, perhaps because "clean" dirt appears to impart some protection against parasites and pathogens.Cynthia Graber reports.
食土的习俗，食土的行为很常见，或许是因为“干净的”泥土似乎能给予人体一些保护，免受寄生物、病原体的侵扰。
The practice of dirt-eating, or geophagy, is common, perhaps because "clean" dirt appears to impart some protection against parasites and pathogens. Cynthia Graber reports.
食土的习俗，食土的行为很常见，或许是因为“干净的”泥土似乎能给予人体一些保护，免受寄生物、病原体的侵扰。
The practice of dirt-eating, or geophagy, is common, perhaps because "clean" dirt appears to impart some protection against parasites and pathogens. Cynthia Graber reports.
食土的习俗，食土的行为很常见，或许是因为“干净的”泥土似乎能给予人体一些保护，免受寄生物、病原体的侵扰。
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