横向
1
Raised area of land, smaller than a mountain
2
Wearing away of land by water or wind
3
Large slow-moving mass of ice
4
One of seven major landmasses
6
Height above sea level
7
Largest ocean on Earth
9
Where river meets the sea
11
Physical features of land
12
Line dividing two countries
纵向
1
Half of the Earth
5
Landform where river meets the sea
8
Goods brought in from another country
10
Distance north or south of equator