横向
1
Line dividing two countries
3
Large natural elevation of earth
6
Large slow-moving mass of ice
7
Region surrounding the North Pole
8
Raised area of land, smaller than a mountain
纵向
2
Goods brought in from another country
4
Low-lying land surrounded by higher ground
5
Distance east or west of prime meridian
9
Large area covered with trees
10
Large natural stream of water