12 篇文章
The East African Rift Valley holds three of the world's largest:
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The East African Rift Valley holds three of the world's largest: 东非大裂谷内有着3个世界上最大的淡水湖

The Mara river, snaking across the plains of East Africa.
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The Mara river, snaking across the plains of East Africa. 马拉河蜿蜒地穿过东非平原