横向
1
Wearing away of land by water or wind
5
Region surrounding the North Pole
7
Long-term weather patterns of an area
9
Ridge of rock or coral near the surface
纵向
2
Raised area of land, smaller than a mountain
3
Goods brought in from another country
4
Area where water covers the soil
6
Narrow sea inlet between cliffs
8
Flat elevated area of land