横向
1
Largest hot desert in the world
5
Line dividing two countries
6
Ridge of rock or coral near the surface
7
Distance east or west of prime meridian
8
Large natural elevation of earth
11
City that is seat of government
纵向
2
Large area covered with trees
3
Body of water surrounded by land
4
Cold treeless Arctic plain
9
Largest ocean on Earth
10
Land surrounded by water