横向
1
Line dividing two countries
3
Raised area of land, smaller than a mountain
5
Visual representation of an area
6
Cold treeless Arctic plain
9
Ocean between Americas and Europe/Africa
10
Steep rock face at edge of land
纵向
2
Physical features of land
4
Height above sea level
7
Wearing away of land by water or wind
8
Distance north or south of equator