酷热的非洲，几乎没有适于航海的河流，这些河流从内陆高原到海岸平原一路穿瀑布、过险滩，倾流而下。

Few of tropical Africa's rivers are navigable from the ocean, dropping as they do from interior tableland to coastal plains by a series of falls and rapids.

youdao

酷热的非洲，几乎没有适于航海的河流，这些河流从内陆高原到海岸平原一路穿瀑布、过险滩，倾流而下。

Few of tropical Africa's rivers are navigable from the ocean, dropping as they do from interior tableland to coastal plains by a series of falls and rapids.

youdao