横向
1
Land surrounded by water
5
Imaginary line around the middle of Earth
6
Seasonal heavy rainfall
9
Steep rock face at edge of land
纵向
2
Region near the equator
2
Region between the two tropic lines
3
Landform where river meets the sea
4
Largest river in South America
7
Large area covered with trees
8
One of seven major landmasses
10
Mountain that can erupt with lava
11
Dry land with little rainfall