横向
1
Large body of water partly enclosed by land
3
Physical features of land
4
Where river meets the sea
6
Dry land with little rainfall
8
Chain or group of islands
11
Large slow-moving mass of ice
13
Deep narrow valley with steep sides
纵向
2
Large area covered with trees
5
Cold treeless Arctic plain
7
Total number of people in an area
9
Imaginary line around the middle of Earth
10
Wearing away of land by water or wind
12
Narrow sea inlet between cliffs