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.
2017年6月四级真题（第一套）阅读 Section A
柯林斯高阶英汉双解学习词典释义
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A lily is a plant with large flowers. Lily flowers are often white.