横向
1
Chain or group of islands
6
Large area covered with trees
11
Cold treeless Arctic plain
纵向
2
Flat elevated area of land
3
Landform where river meets the sea
4
Seasonal heavy rainfall
5
Visual representation of an area
7
Piece of land jutting into the sea
8
Physical features of land
9
Largest ocean on Earth
10
Large slow-moving mass of ice
12
Deep narrow valley with steep sides