横向
1
Where river meets the sea
5
Flat elevated area of land
6
Ridge of rock or coral near the surface
7
Large slow-moving mass of ice
8
Large natural elevation of earth
纵向
2
Body of water surrounded by land
3
Dry land with little rainfall
4
Largest river in South America
9
Large body of water partly enclosed by land
10
One of seven major landmasses