横向
1
Half of the Earth
7
Vast body of salt water
8
Mountain that can erupt with lava
9
Wearing away of land by water or wind
10
Ocean between Americas and Europe/Africa
纵向
2
Land surrounded by water on three sides
3
Visual representation of an area
4
Distance east or west of prime meridian
5
Line dividing two countries
6
Area where water covers the soil