横向
1
Where river meets the sea
4
Wearing away of land by water or wind
6
Tool for finding directions
8
Flat elevated area of land
10
Piece of land jutting into the sea
12
Cold treeless Arctic plain
14
Large body of water partly enclosed by land
纵向
2
Largest river in South America
3
Landform where river meets the sea
5
Seasonal heavy rainfall
7
Imaginary line around the middle of Earth
9
Long-term weather patterns of an area
11
Steep rock face at edge of land
13
Deep narrow valley with steep sides