单词：Okavango
奥卡万戈（地名）
单词：Okavango 相关文章
Botswana lies in the arid（不毛的，贫瘠的） basins of southern Africa, much of it within the Kalahari（喀拉哈里沙漠） Desert. But in the north, there is an immense oasis（绿洲） called the Okavango Delta. Created by the floodwate
发表于:2019-01-22 / 阅读(32) / 评论(0)
自然百科2010年
自然百科2010年
At the peak of the dry season in the Kalahari, water arrives in the Okavango. It fell as rain a thousand miles away in the highlands of Angola and has taken nearly five months to reach here. The water drives out insects from the parched ground which
发表于:2019-01-23 / 阅读(27) / 评论(0)
探索与发现2012年
探索与发现2012年