横向
1
City that is seat of government
4
Large natural stream of water
6
Seasonal heavy rainfall
7
Deep narrow valley with steep sides
10
Landform where river meets the sea
12
Tool for finding directions
14
Ridge of rock or coral near the surface
纵向
2
Half of the Earth
3
Goods brought in from another country
5
Large slow-moving mass of ice
8
Largest ocean on Earth
9
Wearing away of land by water or wind
11
Goods sold to another country
13
Largest river in South America