横向
1
Low area between mountains
4
Long-term weather patterns of an area
5
Where river meets the sea
7
Seasonal heavy rainfall
9
Large body of water partly enclosed by land
10
Area where water covers the soil
纵向
2
Flat elevated area of land
3
Ridge of rock or coral near the surface
6
Ocean between Americas and Europe/Africa
7
Large natural elevation of earth
8
Total number of people in an area