横向
1
Land surrounded by water on three sides
6
Largest hot desert in the world
7
Vast body of salt water
9
One of seven major landmasses
10
Physical features of land
纵向
2
Low-lying land surrounded by higher ground
3
Large natural elevation of earth
4
Half of the Earth
5
Ocean between Americas and Europe/Africa
8
Total number of people in an area
11
Flat elevated area of land