横向
1
Narrow sea inlet between cliffs
3
Tool for finding directions
6
Flat grassland in tropical regions
7
Low area between mountains
8
Largest hot desert in the world
10
Largest ocean on Earth
纵向
1
Large area covered with trees
2
Ridge of rock or coral near the surface
4
Chain or group of islands
5
Ocean between Americas and Europe/Africa
9
Region between the two tropic lines
11
Large slow-moving mass of ice