横向
1
Low-lying land surrounded by higher ground
4
Large area covered with trees
6
Steep rock face at edge of land
7
Physical features of land
8
One of seven major landmasses
纵向
2
Dry land with little rainfall
3
Ocean between Americas and Europe/Africa
5
Large natural stream of water
9
Large natural elevation of earth
10
Largest ocean on Earth
11
City that is seat of government