横向
1
Flat grassland in tropical regions
3
Large natural stream of water
4
Goods sold to another country
8
Land surrounded by water on three sides
9
City that is seat of government
10
Steep rock face at edge of land
纵向
2
Large slow-moving mass of ice
5
Area where water covers the soil
6
Physical features of land
7
Piece of land jutting into the sea
11
Large area covered with trees
12
Region surrounding the North Pole
13
Body of water surrounded by land