Mr.Obama says there is an urgent need to pass the reform legislation before Congress, to allow small businesses to expand and put people to work.

VOA: standard.2009.10.03

There's a local change in the membrane, that local change involves opening of channels that allow ions to pass through regions where they couldn't pass through before, that results in a change in voltage.

膜上会发生局部变化,局部变化包括离子通道开启,使离子通过,先前不能通过的区域,从而引起电压的变化

耶鲁公开课 - 生物医学工程探索课程节选

Abbas says this is why the military continues to lift curfews a few hours a day in some places to allow civilians to flee before troops take more aggressive action.

VOA: standard.2009.05.12