横向
1
Region surrounding the North Pole
5
Visual representation of an area
6
Flat elevated area of land
7
Imaginary line around the middle of Earth
9
Seasonal heavy rainfall
10
Area where water covers the soil
11
Vast body of salt water
13
Goods brought in from another country
纵向
2
Landform where river meets the sea
3
Total number of people in an area
4
One of seven major landmasses
8
Large natural stream of water
12
Largest river in South America
14
Large area covered with trees