横向
1
Landform where river meets the sea
4
Wearing away of land by water or wind
6
Where river meets the sea
7
City that is seat of government
8
Largest ocean on Earth
纵向
2
Large area covered with trees
3
Goods brought in from another country
5
Largest hot desert in the world
9
Land surrounded by water on three sides
10
Region surrounding the North Pole
