横向
1
Ridge of rock or coral near the surface
4
Goods sold to another country
5
Tool for finding directions
6
City that is seat of government
7
Dry land with little rainfall
9
Cold treeless Arctic plain
12
Line dividing two countries
纵向
2
Distance east or west of prime meridian
3
Where river meets the sea
5
Deep narrow valley with steep sides
8
Visual representation of an area
10
Region surrounding the North Pole
11
Large natural stream of water