横向
1
Low area between mountains
3
Largest ocean on Earth
4
Area where water covers the soil
7
Large natural stream of water
8
Ocean between Americas and Europe/Africa
纵向
1
Mountain that can erupt with lava
2
Steep rock face at edge of land
5
Piece of land jutting into the sea
6
Goods sold to another country
9
Visual representation of an area