横向
1
Deep narrow valley with steep sides
5
Land surrounded by water on three sides
9
Where river meets the sea
10
Physical features of land
12
City that is seat of government
13
Large natural elevation of earth
纵向
2
Mountain that can erupt with lava
3
Goods sold to another country
4
One of seven major landmasses
6
Large slow-moving mass of ice
7
Tool for finding directions
8
Largest ocean on Earth
11
Body of water surrounded by land