横向
1
Ridge of rock or coral near the surface
4
One of seven major landmasses
5
Land surrounded by water on three sides
7
Where river meets the sea
8
Steep rock face at edge of land
9
Largest hot desert in the world
11
Imaginary line around the middle of Earth
纵向
2
Height above sea level
3
Wearing away of land by water or wind
6
Body of water surrounded by land
8
Piece of land jutting into the sea
10
City that is seat of government
12
Half of the Earth