横向
1
Ridge of rock or coral near the surface
3
Ocean between Americas and Europe/Africa
8
Flat grassland in tropical regions
9
Steep rock face at edge of land
纵向
2
Half of the Earth
4
Seasonal heavy rainfall
5
Largest ocean on Earth
6
Land surrounded by water
7
Low area between mountains
10
Landform where river meets the sea
11
Mountain that can erupt with lava
12
Narrow sea inlet between cliffs