横向
1
Low-lying land surrounded by higher ground
3
Region near the equator
4
Largest ocean on Earth
5
Region surrounding the North Pole
8
Vast body of salt water
纵向
2
Goods brought in from another country
3
Cold treeless Arctic plain
6
Large slow-moving mass of ice
7
Steep rock face at edge of land
9
Deep narrow valley with steep sides
10
Long-term weather patterns of an area
11
Ocean between Americas and Europe/Africa