横向
1
Region surrounding the North Pole
4
Narrow sea inlet between cliffs
5
Large natural elevation of earth
6
Largest river in South America
8
Dry land with little rainfall
9
Where river meets the sea
14
Large area covered with trees
纵向
2
Physical features of land
3
Large natural stream of water
7
Goods brought in from another country
10
Height above sea level
11
Vast body of salt water
12
Landform where river meets the sea
13
Ridge of rock or coral near the surface