瑞士研究人员发现，用旧纸板做成的可循环利用的食品外包装，可能会污染到包装内部的食品。
According to the Independent, Swiss researchers have found that when old paper is used to make recycled cardboard, mineral oils in the printing ink may contaminate food stuffs packed inside it.
研究人员对这些遗留下来的物品做了化学和分析，发现弓箭手很有可能来自于现在的瑞士。
Researchers did chemical analysis of the remains and found that the archer most likely came from what is now Switzerland.
研究人员对这些遗留下来的物品做了化学和分析，发现弓箭手很有可能来自于现在的瑞士。
Rese archers did chemical analysis of the remains and found that the.
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