横向
1
Goods sold to another country
5
Vast body of salt water
6
Chain or group of islands
7
Flat grassland in tropical regions
8
Line dividing two countries
纵向
2
Narrow sea inlet between cliffs
3
Region between the two tropic lines
4
Large natural stream of water
9
Landform where river meets the sea
10
Mountain that can erupt with lava
11
Physical features of land