横向
1
Landform where river meets the sea
3
Large natural elevation of earth
6
Seasonal heavy rainfall
9
Raised area of land, smaller than a mountain
纵向
2
Largest river in South America
4
Large body of water partly enclosed by land
5
Long-term weather patterns of an area
7
Largest ocean on Earth
8
Distance north or south of equator
10
Mountain that can erupt with lava