横向
1
Region surrounding the North Pole
3
Wearing away of land by water or wind
4
Area where water covers the soil
5
Piece of land jutting into the sea
6
Where river meets the sea
纵向
2
Flat elevated area of land
3
Goods sold to another country
7
Goods brought in from another country
8
Ridge of rock or coral near the surface
9
Landform where river meets the sea
10
Total number of people in an area