横向
1
Largest river in South America
5
Ocean between Americas and Europe/Africa
6
Deep narrow valley with steep sides
7
Large slow-moving mass of ice
11
Dry land with little rainfall
纵向
2
Goods sold to another country
3
City that is seat of government
4
Piece of land jutting into the sea
8
Largest ocean on Earth
9
Flat elevated area of land
10
Flat grassland in tropical regions