横向
1
Land surrounded by water
5
Landform where river meets the sea
6
Region near the equator
7
Flat grassland in tropical regions
8
Distance east or west of prime meridian
9
Large natural stream of water
纵向
2
Line dividing two countries
3
Height above sea level
4
Chain or group of islands
10
Distance north or south of equator
11
Area where water covers the soil
12
Goods sold to another country