横向
1
Chain or group of islands
2
Steep rock face at edge of land
4
Low-lying land surrounded by higher ground
7
Low area between mountains
纵向
2
Tool for finding directions
3
Goods brought in from another country
4
Line dividing two countries
5
Largest river in South America
6
Piece of land jutting into the sea
8
Raised area of land, smaller than a mountain
9
Largest ocean on Earth