横向
1
Largest hot desert in the world
4
Wearing away of land by water or wind
5
Largest ocean on Earth
7
Where river meets the sea
8
Goods brought in from another country
9
Distance north or south of equator
纵向
2
Piece of land jutting into the sea
3
Chain or group of islands
4
Goods sold to another country
6
Line dividing two countries