横向
1
Line dividing two countries
4
Tool for finding directions
5
Largest hot desert in the world
7
Steep rock face at edge of land
8
Height above sea level
9
Body of water surrounded by land
11
Deep narrow valley with steep sides
纵向
2
Ridge of rock or coral near the surface
3
Wearing away of land by water or wind
6
Imaginary line around the middle of Earth
10
Ocean between Americas and Europe/Africa
12
Raised area of land, smaller than a mountain