其中约80%的谷物来自谷类作物，例如大麦，另有约10%为小块的根茎，包括百合的根茎，科学家们说，这会让啤酒更甜。

The majority of the grains, about 80%, were from cereal crops like barley, and about 10% were bits of roots, including lily, which would have made the beer sweeter, the scientists say.

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在大多数情况下，人类粪便施用于谷物作物上，这些作物最终经过烹煮，从而最大程度地减少了因水传染的疾病的传播风险。

In most cases, the human waste is used on grain crops, which are eventually cooked, minimizing the risk of transmitting water-borne diseases.

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在我们找到地方种植谷物、糖料作物、种子和油料作物之前，那些食物为我们提供了目前摄入的卡路里中的大部分。

That is before we look for the space to grow the grains, sugars, seeds and oils that provide us with the vast bulk of our current calorie intake.

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