横向
1
Deep narrow valley with steep sides
3
Large body of water partly enclosed by land
4
Flat elevated area of land
5
Land surrounded by water on three sides
7
Body of water surrounded by land
9
Goods sold to another country
纵向
1
Long-term weather patterns of an area
2
Cold treeless Arctic plain
6
Region surrounding the North Pole
8
Vast body of salt water
10
Largest ocean on Earth
11
Visual representation of an area
12
Large area covered with trees
