横向
1
Seasonal heavy rainfall
5
Deep narrow valley with steep sides
6
Largest hot desert in the world
7
Height above sea level
8
Line dividing two countries
9
Goods brought in from another country
纵向
2
Distance east or west of prime meridian
3
Large area covered with trees
4
Ocean between Americas and Europe/Africa
10
Region near the equator
10
Region between the two tropic lines
11
Area where water covers the soil