横向
1
Region between the two tropic lines
5
Long-term weather patterns of an area
6
Low-lying land surrounded by higher ground
7
Region surrounding the North Pole
11
Piece of land jutting into the sea
12
Ocean between Americas and Europe/Africa
13
Low area between mountains
纵向
1
Cold treeless Arctic plain
2
Large natural stream of water
3
Large slow-moving mass of ice
4
Seasonal heavy rainfall
8
Flat elevated area of land
9
Goods sold to another country
10
Dry land with little rainfall