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.
但是目前我国保护古生物化石与地质遗迹的法律存在严重缺陷，不能有效地打击侵害古生物化石与地质遗迹的违法犯罪行为。
However, there are some flaws in the current laws which can't attacks availably the infringement on ammonite rest fossil and the transgression of the geologic trace.
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