横向
1
Imaginary line around the middle of Earth
5
Vast body of salt water
6
Height above sea level
8
Flat grassland in tropical regions
13
Deep narrow valley with steep sides
纵向
2
City that is seat of government
3
Tool for finding directions
4
Low area between mountains
7
Physical features of land
9
Ridge of rock or coral near the surface
10
Piece of land jutting into the sea
11
Region between the two tropic lines
12
Large natural stream of water