横向
1
Chain or group of islands
8
Steep rock face at edge of land
9
Dry land with little rainfall
10
Distance east or west of prime meridian
11
Goods sold to another country
12
Goods brought in from another country
纵向
2
Ridge of rock or coral near the surface
3
Largest river in South America
4
Flat elevated area of land
5
Height above sea level
6
One of seven major landmasses
7
Raised area of land, smaller than a mountain
13
Line dividing two countries