横向
1
Goods brought in from another country
3
Body of water surrounded by land
4
Mountain that can erupt with lava
7
Ocean between Americas and Europe/Africa
9
Region between the two tropic lines
10
One of seven major landmasses
11
Largest river in South America
纵向
2
Imaginary line around the middle of Earth
5
Seasonal heavy rainfall
6
Cold treeless Arctic plain
8
Vast body of salt water
12
Height above sea level