横向
1
Chain or group of islands
7
Mountain that can erupt with lava
8
Line dividing two countries
9
Distance north or south of equator
11
Steep rock face at edge of land
12
Largest river in South America
13
Where river meets the sea
纵向
2
Land surrounded by water on three sides
3
Large body of water partly enclosed by land
4
Low-lying land surrounded by higher ground
5
Large natural stream of water
6
Goods brought in from another country
9
Body of water surrounded by land
10
Seasonal heavy rainfall
14
Region between the two tropic lines