river basin
US /ˈrɪvər ˌbeɪsɪn/
UK /ˈrɪvə ˌbeɪsɪn/
名词
河流域, 流域
the area of land drained by a river and its tributaries
示例:
•
The Amazon river basin is the largest in the world.
亚马逊河流域是世界上最大的。
•
Many ancient civilizations developed along fertile river basins.
许多古代文明沿着肥沃的河流域发展起来。