横向
1
Steep rock face at edge of land
3
Low-lying land surrounded by higher ground
4
Large area covered with trees
5
Region surrounding the North Pole
9
Cold treeless Arctic plain
纵向
1
Tool for finding directions
2
Large slow-moving mass of ice
6
Region between the two tropic lines
7
Ocean between Americas and Europe/Africa
8
Land surrounded by water on three sides