横向
1
Physical features of land
6
Mountain that can erupt with lava
7
Ocean between Americas and Europe/Africa
11
Height above sea level
13
Seasonal heavy rainfall
纵向
2
Goods sold to another country
3
Vast body of salt water
4
Low-lying land surrounded by higher ground
5
Goods brought in from another country
8
Region surrounding the North Pole
9
Where river meets the sea
10
Land surrounded by water on three sides
12
Total number of people in an area