其中一些细节阐释地很美，比如科学家如何设法合成那些可分解纤维素的酶以制造乙醇，这项科技攻关难度极大。
Some of the details are nice, such as the work of scientists trying to create enzymes to do the difficult job of breaking cellulose down to make ethanol.
乙醇和异丁醇都可以由糖的生物分解生产。
Both ethanol and isobutanol are made from sugars produced by breaking down biomass.
研究人员称，他们已经发现，被身体分解后的乙醇会破坏dna，导致细胞发生危险变异。
Researchers said they found that when ethanol is broken down by the body, it can cause DNA damage that may lead to dangerous changes to the cells.
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