标签：Cassava 相关文章
[00:05.12]Cassava is an important food in the diets of more than 500,000,000 people in Africa, Asia and South America. [00:15.70]However, the United Nations Food and Agriculture Organization notes that agricultural development policies [00:24.53]ofte
美国英语听力80篇
AS IT IS 2013-07-15 The Fight to Protect Cassava Plants Hello, and welcome once again to As It Is, our daily show for people learning everyday American English. Im Christopher Cruise in Washington. Today on the program, we tell about the moringa olei
2013年VOA慢速英语(七)月
Diseases of Cassava Wreak Havoc in Africa 木薯疾病在非洲肆虐 From VOA Learning English, this is the Agriculture Report. 这里是美国之音慢速英语农业报道。 Cassava is an important crop in some countries. More than 160 million pe
2013年VOA慢速英语(十一)月
This is the VOA Special English Agriculture Report. About eight hundred million people in Africa, Asia and South America eat cassava. The plant is a major source of food energy and a major food security crop. It can survive in poor soil and without m
2010年VOA慢速英语(六)月
Kenyan Farmers Turn to New Breeds to Withstand Climate Change 肯尼亚农民种植新作物应对气候变化 NAIROBI Kenyan farmers over the years have often seen their crops wiped out by either floods or drought, causing poverty and soil degradati
VOA常速英语2013年(十月)
Most of us who've ever had tapioca know it to be the chewy, small pearls found in a bowl of pudding. Or maybe the bigger, still chewy balls floating around in the now-globally-popular sweet Asian bubble teas. But not many of us actually know what the
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DNA Technology Helps Famers Identify Crop Diseases It is often difficult for farmers to identify diseases quickly enough to protect their crops and those on neighboring farms. Now, some farmers are using a simple device directly in the field to find
2019年VOA慢速英语(一)月
The Syrian rebel forces have pushed militants of IS group out of a strategic town in northern Syria after days of heavy fighting. Lina Sinjab is in neighboring Lebanon. Moderate rebel fighters from the Free Syrian Army have succeeded pushing IS milit
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