横向
1
Flat elevated area of land
5
Ocean between Americas and Europe/Africa
7
Ridge of rock or coral near the surface
8
Wearing away of land by water or wind
10
Region surrounding the North Pole
11
Land surrounded by water
12
Line dividing two countries
纵向
2
Body of water surrounded by land
3
Long-term weather patterns of an area
4
Distance north or south of equator
6
Deep narrow valley with steep sides
9
Largest hot desert in the world