横向
1
Half of the Earth
3
Large body of water partly enclosed by land
7
Chain or group of islands
8
Piece of land jutting into the sea
10
Flat elevated area of land
纵向
2
Height above sea level
4
Wearing away of land by water or wind
5
Largest ocean on Earth
6
Region between the two tropic lines
9
Area where water covers the soil
11
Line dividing two countries
12
Distance north or south of equator