横向
1
Largest hot desert in the world
2
One of seven major landmasses
3
Region surrounding the North Pole
6
Large body of water partly enclosed by land
7
Large natural elevation of earth
8
Chain or group of islands
纵向
1
Flat grassland in tropical regions
2
Piece of land jutting into the sea
4
Imaginary line around the middle of Earth
5
Land surrounded by water on three sides