横向
1
Body of water surrounded by land
4
Wearing away of land by water or wind
8
Steep rock face at edge of land
纵向
2
Ridge of rock or coral near the surface
3
Large body of water partly enclosed by land
5
Goods sold to another country
6
Large slow-moving mass of ice
7
Mountain that can erupt with lava
9
Total number of people in an area