横向
1
Deep narrow valley with steep sides
4
Region surrounding the North Pole
5
Flat elevated area of land
7
Large body of water partly enclosed by land
8
Distance north or south of equator
10
Goods brought in from another country
11
One of seven major landmasses
纵向
2
Vast body of salt water
3
Low area between mountains
6
Region between the two tropic lines
9
Cold treeless Arctic plain