Now, researchers have found a surprising ingredient in residue from 5,000-year-old beerbrewing equipment.
今天,研究人员在有着5000年历史的啤酒酿造设备的残留物中发现了一种惊人的成分。
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Based on that timing, they indicate barley may have arrived in the region not as food, but as raw material for beerbrewing.
根据那个时间点,他们指出,大麦可能不是作为食物,而是作为啤酒酿造的原料到达那里的。
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They may be ancient "beer-making tools", and the earliest direct evidence of beerbrewing in China, the researchers reported in the Proceedings of the National Academy of Sciences.