横向
1
Large natural stream of water
3
Region surrounding the North Pole
5
Line dividing two countries
7
Landform where river meets the sea
8
Physical features of land
9
Distance north or south of equator
11
Region near the equator
12
Large area covered with trees
纵向
1
Ridge of rock or coral near the surface
2
Large slow-moving mass of ice
4
Land surrounded by water on three sides
6
Large natural elevation of earth
10
Goods sold to another country