横向
1
Half of the Earth
6
Height above sea level
7
Dry land with little rainfall
8
Landform where river meets the sea
10
One of seven major landmasses
纵向
1
Raised area of land, smaller than a mountain
2
Tool for finding directions
3
Line dividing two countries
4
Imaginary line around the middle of Earth
5
Large area covered with trees
9
Body of water surrounded by land
11
Wearing away of land by water or wind
12
Deep narrow valley with steep sides
13
Large natural elevation of earth