横向
1
City that is seat of government
5
Total number of people in an area
7
Distance east or west of prime meridian
8
Goods sold to another country
9
Largest hot desert in the world
12
Piece of land jutting into the sea
13
Largest ocean on Earth
纵向
2
Flat elevated area of land
3
Wearing away of land by water or wind
4
Cold treeless Arctic plain
6
Chain or group of islands
10
Line dividing two countries
11
Ridge of rock or coral near the surface