横向
1
Large slow-moving mass of ice
4
Total number of people in an area
5
Long-term weather patterns of an area
6
Land surrounded by water
纵向
2
Wearing away of land by water or wind
3
Deep narrow valley with steep sides
7
Goods brought in from another country
8
Dry land with little rainfall
9
Height above sea level
10
Distance north or south of equator