横向
1
Goods brought in from another country
3
Piece of land jutting into the sea
5
Region surrounding the North Pole
6
Flat grassland in tropical regions
8
Landform where river meets the sea
10
Goods sold to another country
11
Wearing away of land by water or wind
纵向
2
Vast body of salt water
4
Imaginary line around the middle of Earth
7
Region between the two tropic lines
9
Visual representation of an area