横向
1
Line dividing two countries
3
Body of water surrounded by land
5
Physical features of land
6
Deep narrow valley with steep sides
9
Narrow sea inlet between cliffs
纵向
2
Region between the two tropic lines
3
Distance east or west of prime meridian
4
Largest hot desert in the world
7
Ridge of rock or coral near the surface
8
Landform where river meets the sea