横向
1
City that is seat of government
4
Half of the Earth
5
Dry land with little rainfall
7
Goods sold to another country
8
Mountain that can erupt with lava
9
Region surrounding the North Pole
10
Where river meets the sea
11
Largest river in South America
纵向
1
One of seven major landmasses
2
Piece of land jutting into the sea
3
Height above sea level
6
Land surrounded by water
12
Large natural elevation of earth