• Melkert said blackouts continue to persist nationally on average about nine hours a day.

    VOA: standard.2010.08.04

  • Now the nice thing about this is that the degradation mechanisms seem to persist for some period of time, beyond the time at which you deliver the double stranded RNA; whereas, obviously, this mechanism here is only going to exist for as long as the anti-sense sequence is present.


    耶鲁公开课 - 生物医学工程探索课程节选

  • And I think many parents believe that if they didn't persist in using these things their children would never learn to speak.


    耶鲁公开课 - 心理学导论课程节选

  • The Iraqi people,he insists, will persist and overcome these attacks, and raise its voice to show proclaim that it will not be silenced .

    VOA: standard.2009.08.29

  • We're trying to understand exactly what changes in your brain when you learn and how those changes persist over time to support memory. And one thing that we know which helps explain why some things are easier to remember than other is that learning is not a unitary process.


    斯坦福公开课 - 7个颠覆你思想的演讲课程节选

  • "If we are to defeat this vicious insurgency and by doing so make Britain and the world a safer place, then we must persist with our operations in Afghanistan.

    VOA: standard.2009.07.13

  • Because of the plot, sweeping security changes were brought into the airline industry, including restrictions on carrying liquids on planes that persist to this day that many passengers just have to cope with.

    VOA: standard.2009.09.07

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