横向
1
Ocean between Americas and Europe/Africa
5
Line dividing two countries
6
Seasonal heavy rainfall
7
Imaginary line around the middle of Earth
8
Wearing away of land by water or wind
12
Region surrounding the North Pole
13
Body of water surrounded by land
纵向
2
Vast body of salt water
3
Largest river in South America
4
Piece of land jutting into the sea
9
Large area covered with trees
10
Narrow sea inlet between cliffs
11
Large natural stream of water
14
Area where water covers the soil