横向
1
Raised area of land, smaller than a mountain
3
Line dividing two countries
5
Low area between mountains
7
Region near the equator
9
Large natural elevation of earth
11
Height above sea level
纵向
2
Goods brought in from another country
4
Area where water covers the soil
6
Wearing away of land by water or wind
8
Ridge of rock or coral near the surface
10
Where river meets the sea