横向
1
Distance east or west of prime meridian
5
Low-lying land surrounded by higher ground
8
Goods sold to another country
9
Largest ocean on Earth
纵向
2
Land surrounded by water on three sides
3
Area where water covers the soil
4
Steep rock face at edge of land
6
Body of water surrounded by land
7
Low area between mountains
10
Land surrounded by water
11
Landform where river meets the sea