横向
1
Ridge of rock or coral near the surface
3
Raised area of land, smaller than a mountain
4
Imaginary line around the middle of Earth
5
Where river meets the sea
9
Body of water surrounded by land
11
Large area covered with trees
纵向
2
Land surrounded by water on three sides
6
Line dividing two countries
7
Low area between mountains
8
Large body of water partly enclosed by land
10
Height above sea level
