横向
1
Goods brought in from another country
5
City that is seat of government
8
Goods sold to another country
9
Ridge of rock or coral near the surface
10
Wearing away of land by water or wind
11
Deep narrow valley with steep sides
12
Large natural elevation of earth
纵向
2
One of seven major landmasses
3
Half of the Earth
4
Large slow-moving mass of ice
6
Tool for finding directions
7
Total number of people in an area