横向
1
Where river meets the sea
5
Ridge of rock or coral near the surface
6
One of seven major landmasses
7
Large area covered with trees
9
Vast body of salt water
11
City that is seat of government
纵向
2
Region between the two tropic lines
3
Cold treeless Arctic plain
4
Half of the Earth
8
Distance north or south of equator
10
Wearing away of land by water or wind
12
Seasonal heavy rainfall
13
Large body of water partly enclosed by land