横向
1
Largest river in South America
5
Imaginary line around the middle of Earth
6
Ocean between Americas and Europe/Africa
9
Region surrounding the North Pole
10
Landform where river meets the sea
纵向
2
Narrow sea inlet between cliffs
3
Cold treeless Arctic plain
4
Land surrounded by water
7
Piece of land jutting into the sea
8
Region near the equator