横向
1
Large body of water partly enclosed by land
3
Cold treeless Arctic plain
4
Large area covered with trees
5
One of seven major landmasses
8
Body of water surrounded by land
纵向
2
Where river meets the sea
5
Long-term weather patterns of an area
6
Imaginary line around the middle of Earth
7
Goods sold to another country
9
Flat grassland in tropical regions
10
Region between the two tropic lines