横向
1
Seasonal heavy rainfall
4
Wearing away of land by water or wind
5
Large area covered with trees
7
Largest hot desert in the world
9
Physical features of land
纵向
2
Dry land with little rainfall
3
Region near the equator
3
Region between the two tropic lines
4
Goods sold to another country
6
Mountain that can erupt with lava
8
Land surrounded by water