横向
1
Chain or group of islands
7
Half of the Earth
8
Dry land with little rainfall
9
Region surrounding the North Pole
11
Vast body of salt water
纵向
2
Line dividing two countries
3
Wearing away of land by water or wind
4
One of seven major landmasses
5
Region between the two tropic lines
6
Long-term weather patterns of an area
10
Height above sea level
12
Land surrounded by water
13
Landform where river meets the sea