横向
1
Large natural stream of water
4
Distance north or south of equator
6
Landform where river meets the sea
10
Deep narrow valley with steep sides
11
Large natural elevation of earth
12
Goods brought in from another country
13
Long-term weather patterns of an area
纵向
2
Goods sold to another country
3
Imaginary line around the middle of Earth
5
Raised area of land, smaller than a mountain
7
Large slow-moving mass of ice
8
Steep rock face at edge of land
9
Height above sea level