横向
1
Landform where river meets the sea
3
Largest ocean on Earth
6
Largest hot desert in the world
7
Chain or group of islands
8
Steep rock face at edge of land
10
Large area covered with trees
纵向
1
Dry land with little rainfall
2
Region between the two tropic lines
4
Mountain that can erupt with lava
5
Cold treeless Arctic plain
7
Height above sea level
9
Flat elevated area of land