横向
1
Height above sea level
4
Seasonal heavy rainfall
5
Deep narrow valley with steep sides
7
Dry land with little rainfall
8
Mountain that can erupt with lava
9
Large area covered with trees
10
Piece of land jutting into the sea
12
Large natural elevation of earth
13
Region surrounding the North Pole
纵向
2
Cold treeless Arctic plain
3
Ocean between Americas and Europe/Africa
6
Body of water surrounded by land
11
Physical features of land
14
Land surrounded by water