横向
1
Ocean between Americas and Europe/Africa
4
Ridge of rock or coral near the surface
6
Wearing away of land by water or wind
7
Mountain that can erupt with lava
10
Dry land with little rainfall
纵向
1
Largest river in South America
2
Goods sold to another country
3
Steep rock face at edge of land
5
Largest hot desert in the world
8
Low area between mountains
9
Imaginary line around the middle of Earth