横向
1
Where river meets the sea
6
Region near the equator
7
Dry land with little rainfall
8
Vast body of salt water
9
Region surrounding the North Pole
10
Cold treeless Arctic plain
11
Goods sold to another country
纵向
2
Physical features of land
3
Long-term weather patterns of an area
4
Landform where river meets the sea
5
Ridge of rock or coral near the surface