横向
1
Chain or group of islands
7
Region surrounding the North Pole
8
Narrow sea inlet between cliffs
9
Cold treeless Arctic plain
10
Large area covered with trees
纵向
2
Low area between mountains
3
Dry land with little rainfall
4
Landform where river meets the sea
5
Region near the equator
5
Region between the two tropic lines
6
Low-lying land surrounded by higher ground
11
Ocean between Americas and Europe/Africa
12
Physical features of land
13
Wearing away of land by water or wind