These ice sheet pits may appear to be lined with gold, but the precise composition of the dust that highlights the pit walls actually remains unknown.
这些冰层上的坑看上去被金边围绕。 不过这些坑洞周围一圈显眼的尘土的精确成分仍然未被人们所知晓。
The filing sheet can be detached for washing by a fingernail cutting into the pit (4).
指甲切入凹坑（4）可卸除锉片进行清洗。
The dead child was lowered into the pit, his face covered with a sheet, and then the grave was filled again, marked with a stake and covered with boulders so animals could not dig up the body.
这个死去的小孩被放进小坑，脸上盖着一块布，小小的坟墓被再次填上。官兵们在坟头打下一根木桩，再把几块大石头铺到坟墓上以防动物将尸体掘起。
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