横向
1
Wearing away of land by water or wind
5
Steep rock face at edge of land
6
Ocean between Americas and Europe/Africa
7
Physical features of land
8
Mountain that can erupt with lava
9
Landform where river meets the sea
纵向
2
Large natural elevation of earth
3
Largest river in South America
4
Vast body of salt water
10
Land surrounded by water