横向
1
Chain or group of islands
6
Ridge of rock or coral near the surface
8
Large natural stream of water
10
Physical features of land
纵向
2
Region between the two tropic lines
3
Deep narrow valley with steep sides
4
Long-term weather patterns of an area
5
Imaginary line around the middle of Earth
7
Region near the equator
9
Wearing away of land by water or wind