这些改良的大肠杆菌发酵生物质中所含的糖类以生合成异戊二烯，并以气体形式释放出来。

The modified organism ferments sugars in the biomass to produce isoprene, in such a way that it bubbles out as a gas.

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文章第一作者，UCSB的研究生Olga Azarenko说道，“这些蔬菜含有称为异硫氰酸盐的化合物，我们相信，正是它们在这些蔬菜中承担着预防和抗击癌症的职责。

These vegetables contain compounds called isothiocyanates which we believe to be responsible for the cancer-preventive and anti-carcinogenic activities in these vegetables.

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我希望你能享受自己的研究生学习生活，并取得喜人异的成绩。

I hope that you will enjoy your postgraduate study and achieve a good grade.

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