横向
1
Largest river in South America
4
Goods sold to another country
6
Region between the two tropic lines
8
Dry land with little rainfall
9
Raised area of land, smaller than a mountain
10
Where river meets the sea
13
Height above sea level
纵向
2
One of seven major landmasses
3
Seasonal heavy rainfall
5
Largest hot desert in the world
7
Line dividing two countries
11
Piece of land jutting into the sea
12
Goods brought in from another country