横向
1
Total number of people in an area
6
Area where water covers the soil
8
Large body of water partly enclosed by land
9
Piece of land jutting into the sea
11
Height above sea level
纵向
2
Region near the equator
3
Raised area of land, smaller than a mountain
4
Wearing away of land by water or wind
5
Distance east or west of prime meridian
7
Goods brought in from another country
10
Deep narrow valley with steep sides
12
Flat grassland in tropical regions
