横向
1
Goods brought in from another country
5
Total number of people in an area
7
Area where water covers the soil
9
Region between the two tropic lines
11
Largest hot desert in the world
14
Landform where river meets the sea
15
Large body of water partly enclosed by land
纵向
2
Largest ocean on Earth
3
Flat elevated area of land
4
One of seven major landmasses
6
Large natural stream of water
8
Seasonal heavy rainfall
10
Tool for finding directions
12
Large slow-moving mass of ice
13
Raised area of land, smaller than a mountain