Chu said in an interview recently in Milwaukee, where he spent the day talking to scientists about biofuels and touring a home that was being weatherized under a local program.

  • 在密尔沃基,他用了一整天的时间,同一群科学家探讨生物燃料方面的问题,并参观了一户正在增强御寒性能的住宅(这是当地正在实施的一项计划)。
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