横向
1
Largest ocean on Earth
3
Flat elevated area of land
7
One of seven major landmasses
8
Flat grassland in tropical regions
9
Land surrounded by water
11
Piece of land jutting into the sea
纵向
2
Region surrounding the North Pole
4
Low-lying land surrounded by higher ground
5
Low area between mountains
6
Long-term weather patterns of an area
10
Large body of water partly enclosed by land
12
Vast body of salt water
13
Large natural elevation of earth