单词：rift-valley lake
单词：rift-valley lake 相关文章
This is East Africa, the Great Rift Valley, a land in constant upheaval. The flamingos and baboons here at Lake Bogoria live in harmony. They share this landscape and all it has to offer. They may not be compatible. But in the midst of Bogoria's bou
国家地理2008年
This is the VOA Special English Development Report. Rift Valley fever mainly affects farm animals. But the virus can also infect humans, and South Africa has been experiencing an outbreak. The National Institute for Communicable Diseases reported two
2010年VOA慢速英语(七)月
This is East Africa, the Great Rift Valley, a land in constant upheaval. The flamingos and baboons here at Lake Bogoria live in harmony. They share this landscape and all it has to offer. They may not be compatible. But in the midst of Bogoria's boun
自然百科2008年
By Derek Kilner Nairobi 23 November 2007 The Food and Agriculture Organization has cautioned that an outbreak of Rift Valley Fever in Sudan could spread rapidly in coming weeks due to the widespread movement of livestock in preparation for the Muslim
VOA常速英语2007年（十一月）
22. The rope breaks. 22. 绳子断了。 Go back to 1. 回到第1节。 23. You continue through the snow. There is nothing to eat , but you can make fires, and there is snow to drink. Suddenly you come to an icy lake. 23. 你继续在雪中跋涉。没
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