横向
1
Cold treeless Arctic plain
3
Long-term weather patterns of an area
4
Largest ocean on Earth
5
Large natural stream of water
10
Low-lying land surrounded by higher ground
纵向
2
Landform where river meets the sea
3
Piece of land jutting into the sea
6
Total number of people in an area
7
Narrow sea inlet between cliffs
8
Raised area of land, smaller than a mountain
9
Large area covered with trees