横向
1
Vast body of salt water
3
Distance north or south of equator
5
Line dividing two countries
7
Physical features of land
10
Region between the two tropic lines
11
Deep narrow valley with steep sides
纵向
2
Mountain that can erupt with lava
3
Body of water surrounded by land
4
Height above sea level
6
Piece of land jutting into the sea
8
Wearing away of land by water or wind
9
Flat grassland in tropical regions