横向
1
Wearing away of land by water or wind
5
Chain or group of islands
6
Steep rock face at edge of land
10
Goods sold to another country
13
Landform where river meets the sea
15
One of seven major landmasses
纵向
2
Land surrounded by water
3
Narrow sea inlet between cliffs
4
Mountain that can erupt with lava
7
City that is seat of government
8
Region between the two tropic lines
9
Land surrounded by water on three sides
11
Dry land with little rainfall
12
Largest ocean on Earth
14
Imaginary line around the middle of Earth