横向
1
Region between the two tropic lines
5
Long-term weather patterns of an area
6
Imaginary line around the middle of Earth
7
Largest river in South America
纵向
2
Tool for finding directions
3
Largest ocean on Earth
4
Where river meets the sea
8
Wearing away of land by water or wind
9
Large area covered with trees
10
Goods sold to another country
11
Height above sea level
