横向
1
Ocean between Americas and Europe/Africa
2
Where river meets the sea
5
Visual representation of an area
7
One of seven major landmasses
8
Land surrounded by water on three sides
9
Mountain that can erupt with lava
10
Low area between mountains
11
Goods sold to another country
12
Largest river in South America
纵向
2
Wearing away of land by water or wind
3
Long-term weather patterns of an area
4
Half of the Earth
6
Tool for finding directions