横向
1
Land surrounded by water on three sides
6
Region surrounding the North Pole
7
Goods brought in from another country
8
One of seven major landmasses
10
Low-lying land surrounded by higher ground
纵向
2
Large area covered with trees
3
Total number of people in an area
4
Region between the two tropic lines
5
Largest ocean on Earth
9
Flat grassland in tropical regions
11
Raised area of land, smaller than a mountain