横向
1
Cold treeless Arctic plain
4
Height above sea level
5
Region surrounding the North Pole
6
Piece of land jutting into the sea
9
Low-lying land surrounded by higher ground
10
Large slow-moving mass of ice
12
Landform where river meets the sea
13
Vast body of salt water
纵向
1
Region near the equator
2
Area where water covers the soil
3
Flat grassland in tropical regions
7
Goods brought in from another country
8
Large natural elevation of earth
11
Ridge of rock or coral near the surface
14
Body of water surrounded by land