横向
1
Large natural stream of water
4
Long-term weather patterns of an area
5
Land surrounded by water
8
Imaginary line around the middle of Earth
9
Goods brought in from another country
12
Total number of people in an area
纵向
2
Raised area of land, smaller than a mountain
3
Wearing away of land by water or wind
6
Line dividing two countries
7
Region between the two tropic lines
10
Deep narrow valley with steep sides
11
Body of water surrounded by land
12
Flat elevated area of land