横向
1
Seasonal heavy rainfall
4
Long-term weather patterns of an area
8
Ocean between Americas and Europe/Africa
10
Line dividing two countries
纵向
2
Wearing away of land by water or wind
3
Narrow sea inlet between cliffs
5
Cold treeless Arctic plain
6
Half of the Earth
7
Region surrounding the North Pole
9
Steep rock face at edge of land
11
Land surrounded by water
12
Region near the equator