For example,in most sub-Saharan African countries, the U.N.Children's Fund says more than half the deliveries take place at home, with no skilled birth attendant present.

VOA: standard.2010.05.11

But the idea is to try to present to you what's exciting about Biomedical Engineering, the ways that one can take science and mathematics and apply that to improve human health.

这门课力图向你们展示,生物医学工程那激动人心之处,它融合了自然科学和数学,并用其成果提高人类健康水平

耶鲁公开课 - 生物医学工程探索课程节选

But Mr.Abhisit, in recent media comments, says he will not be pressed to take the country to elections at present but is willing to hold talks with protest leaders.

VOA: standard.2010.03.20