横向
1
Vast body of salt water
4
Tool for finding directions
5
Imaginary line around the middle of Earth
6
Wearing away of land by water or wind
7
Goods sold to another country
9
Landform where river meets the sea
纵向
2
Line dividing two countries
3
Half of the Earth
4
One of seven major landmasses
8
Narrow sea inlet between cliffs
10
Low area between mountains
11
Flat grassland in tropical regions