横向
1
Large area covered with trees
4
Flat grassland in tropical regions
6
Distance east or west of prime meridian
7
Region between the two tropic lines
9
Area where water covers the soil
纵向
2
Wearing away of land by water or wind
3
One of seven major landmasses
5
Flat elevated area of land
8
Half of the Earth
10
Narrow sea inlet between cliffs