横向
1
Largest ocean on Earth
5
Height above sea level
6
Deep narrow valley with steep sides
8
Landform where river meets the sea
9
Piece of land jutting into the sea
10
Largest river in South America
纵向
2
Region near the equator
3
Distance north or south of equator
4
Chain or group of islands
7
Land surrounded by water
11
Flat elevated area of land