横向
1
Region surrounding the North Pole
5
Wearing away of land by water or wind
7
Mountain that can erupt with lava
9
Tool for finding directions
11
Line dividing two countries
纵向
2
One of seven major landmasses
3
Goods brought in from another country
4
Large slow-moving mass of ice
6
Vast body of salt water
8
Where river meets the sea
10
Steep rock face at edge of land