The U.N.Fund for Population Activity and the World Health Organization are working with national ministries of health in a global campaign to end fistula that now covers more than 40 countries in Sub-Saharan Africa, Asia,and the Middle East.

VOA: standard.2009.12.23

Neurotransmitter release is stimulated by the electrical activity that reaches the end of the axon.

到达轴突末梢的电流变化,刺激了神经递质的释放

耶鲁公开课 - 生物医学工程探索课程节选

She says that a number of her counterparts were not aware that the Israeli offer included an end to all new settlement activity in the West Bank, an end to the expropriation of Palestinian land,and an end to any new construction permits.

VOA: standard.2009.11.02