横向
1
One of seven major landmasses
5
Low-lying land surrounded by higher ground
6
Chain or group of islands
7
Large slow-moving mass of ice
9
Area where water covers the soil
10
Goods sold to another country
纵向
2
Where river meets the sea
3
Distance north or south of equator
4
Imaginary line around the middle of Earth
8
Landform where river meets the sea
11
Ridge of rock or coral near the surface
12
Total number of people in an area
13
Visual representation of an area