横向
1
Seasonal heavy rainfall
4
Low area between mountains
5
Dry land with little rainfall
7
Land surrounded by water
纵向
1
Visual representation of an area
2
Ocean between Americas and Europe/Africa
3
Region between the two tropic lines
4
Mountain that can erupt with lava
6
Goods sold to another country
8
Area where water covers the soil
9
Largest ocean on Earth