横向
1
Goods sold to another country
5
Flat elevated area of land
6
Piece of land jutting into the sea
7
Area where water covers the soil
8
Cold treeless Arctic plain
9
Large area covered with trees
10
Land surrounded by water on three sides
12
Physical features of land
纵向
2
Region surrounding the North Pole
3
Total number of people in an area
4
Long-term weather patterns of an area
11
Deep narrow valley with steep sides
13
Flat grassland in tropical regions