横向
1
Region between the two tropic lines
5
Long-term weather patterns of an area
7
Imaginary line around the middle of Earth
8
Wearing away of land by water or wind
9
Deep narrow valley with steep sides
纵向
2
Land surrounded by water on three sides
3
Land surrounded by water
4
Large natural stream of water
6
Goods brought in from another country
10
Area where water covers the soil