横向
1
Ridge of rock or coral near the surface
3
Mountain that can erupt with lava
4
Largest hot desert in the world
9
Seasonal heavy rainfall
10
Distance north or south of equator
12
Goods sold to another country
纵向
2
Line dividing two countries
5
Large area covered with trees
6
Low-lying land surrounded by higher ground
7
Largest river in South America
8
Height above sea level
11
Land surrounded by water on three sides