慢速英语视频

慢速英语视频:Paintable Solar Cells May Replace Silicon-based Devices

2015-11-02 所属栏目:慢速英语视频

Solar cell technology currently depends on costly photovoltaic materials. Recent research has shown with less costly, organic materials can be used to develop solar cell technology

慢速英语视频:UN Group Calls for Secure Financial Base to World Economy

2015-10-30 所属栏目:慢速英语视频

The United Nations Conference on Trade and Development deals with trade and development issues. It has called for measures to strengthen international finance, including more suppo

慢速英语视频:Children Targeted for Better Learning in Cambodia

2015-10-29 所属栏目:慢速英语视频

The Liger Learning Center says it wants to transform education in Cambodia with technology and a modern approach to teaching and learning.

慢速英语视频:The Ups and Downs of Coffee and Caffeine

2015-10-28 所属栏目:慢速英语视频

Recently, researchers British and American researchers investigated caffeine’s effects on human sleep patterns. The scientists found that drinking something caffeinated in the hou

慢速英语视频:Cambodian Farmers Growing More Vegetables

2015-10-27 所属栏目:慢速英语视频

The World Bank says vegetables earn farmers more money than rice, the country’s most common crop. And a growing number of Cambodian consumers want to buy organic foods.

慢速英语视频:Paintable Solar Cells May Replace Silicon-based Devices

2015-10-26 所属栏目:慢速英语视频

Solar cell technology currently depends on costly photovoltaic materials. Recent research has shown with less costly, organic materials can be used to develop solar cell technology

慢速英语视频:How Competitive is Your Country?

2015-10-23 所属栏目:慢速英语视频

The Word Economic Forum released its latest Global Competitiveness Report this week. There was little change among the top countries. But one economist says top countries are leadi

慢速英语视频:Terror Causes Students to Leave Cameroon-Nigeria Border Schools

2015-10-23 所属栏目:慢速英语视频

Officials in Cameroon are taking measures to keep schools safe after bomb attacks in an area near the border with Nigeria.

慢速英语视频:Improved Seeds Could Help Africa Feed Itself

2015-10-23 所属栏目:慢速英语视频

An effort has been launched to help get the seeds to operators of small farms. Western farmers who use the seeds have been able to produce more crops on each hectare.