横向
1
Physical features of land
3
Largest ocean on Earth
4
Piece of land jutting into the sea
8
Deep narrow valley with steep sides
10
Largest hot desert in the world
纵向
1
Region near the equator
2
Largest river in South America
4
Long-term weather patterns of an area
5
Flat grassland in tropical regions
6
Ocean between Americas and Europe/Africa
7
Low-lying land surrounded by higher ground
9
Ridge of rock or coral near the surface