横向
1
Land surrounded by water
4
Largest ocean on Earth
7
Goods sold to another country
8
Largest hot desert in the world
10
Physical features of land
纵向
2
Steep rock face at edge of land
3
Raised area of land, smaller than a mountain
5
Height above sea level
6
Low area between mountains
9
Large natural elevation of earth
11
Piece of land jutting into the sea
12
Distance east or west of prime meridian
13
Line dividing two countries