我们采用芦荟叶，通过一系列复杂的提取步序得到一种化学纯粉末，然后将流感病毒疫苗与之混合。

"We take Aloe vera leaves and put them through a series of complex extraction steps to produce a chemically pure powder, and then we combine the flu vaccine with it, " he explains.

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用工业级溶剂代替化学纯试剂，并将反应器放大5倍，可获得同样的结果。

The same results were obtained when solvent was industrial grade instead of chemical grade and the reactor was magnified by 5 times.

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