横向
1
Deep narrow valley with steep sides
3
Large area covered with trees
4
Goods brought in from another country
6
Distance north or south of equator
7
Ridge of rock or coral near the surface
9
Line dividing two countries
11
Large body of water partly enclosed by land
纵向
2
Total number of people in an area
3
Narrow sea inlet between cliffs
5
Where river meets the sea
8
Largest hot desert in the world
10
Large slow-moving mass of ice