横向
1
Mountain that can erupt with lava
5
Goods brought in from another country
6
Ridge of rock or coral near the surface
7
Large natural elevation of earth
10
Large body of water partly enclosed by land
12
Imaginary line around the middle of Earth
13
Vast body of salt water
纵向
2
Steep rock face at edge of land
3
Long-term weather patterns of an area
4
Total number of people in an area
8
Cold treeless Arctic plain
9
Largest hot desert in the world
11
Largest river in South America