横向
1
Deep narrow valley with steep sides
4
Region near the equator
5
Large natural stream of water
8
Long-term weather patterns of an area
9
Area where water covers the soil
11
Low area between mountains
12
Visual representation of an area
13
Flat grassland in tropical regions
14
Seasonal heavy rainfall
纵向
2
Goods sold to another country
3
Where river meets the sea
6
Region surrounding the North Pole
7
Large slow-moving mass of ice
10
Mountain that can erupt with lava