横向
1
Goods sold to another country
5
Goods brought in from another country
6
Region surrounding the North Pole
7
Largest river in South America
8
Tool for finding directions
9
Half of the Earth
13
Narrow sea inlet between cliffs
纵向
2
Large natural elevation of earth
3
Dry land with little rainfall
4
Where river meets the sea
5
Land surrounded by water
10
Ridge of rock or coral near the surface
11
Vast body of salt water
12
Largest ocean on Earth