横向
1
Distance east or west of prime meridian
6
Large natural stream of water
7
Largest hot desert in the world
8
Mountain that can erupt with lava
9
Total number of people in an area
10
Goods sold to another country
11
Area where water covers the soil
12
Flat elevated area of land
纵向
2
Seasonal heavy rainfall
3
Body of water surrounded by land
4
Chain or group of islands
5
Region near the equator