横向
1
Tool for finding directions
5
Goods brought in from another country
7
Chain or group of islands
9
Largest river in South America
10
Long-term weather patterns of an area
11
Wearing away of land by water or wind
13
Low-lying land surrounded by higher ground
纵向
2
Mountain that can erupt with lava
3
Seasonal heavy rainfall
4
Visual representation of an area
6
Land surrounded by water on three sides
8
Where river meets the sea
12
Largest ocean on Earth