横向
1
Wearing away of land by water or wind
4
Largest river in South America
5
Region between the two tropic lines
6
One of seven major landmasses
8
Raised area of land, smaller than a mountain
纵向
2
Seasonal heavy rainfall
3
City that is seat of government
4
Ocean between Americas and Europe/Africa
7
Landform where river meets the sea
9
Goods sold to another country
10
Mountain that can erupt with lava