横向
1
Region surrounding the North Pole
5
Total number of people in an area
6
City that is seat of government
8
Goods sold to another country
9
Goods brought in from another country
10
One of seven major landmasses
纵向
2
Large natural elevation of earth
3
Long-term weather patterns of an area
4
Chain or group of islands
7
Largest ocean on Earth
11
Cold treeless Arctic plain
12
Vast body of salt water
13
Mountain that can erupt with lava