横向
1
Deep narrow valley with steep sides
4
Ocean between Americas and Europe/Africa
7
Line dividing two countries
9
Large natural elevation of earth
10
Land surrounded by water
纵向
2
Largest hot desert in the world
3
Tool for finding directions
5
Physical features of land
6
Piece of land jutting into the sea
7
Low-lying land surrounded by higher ground
8
Region between the two tropic lines