横向
1
Chain or group of islands
7
Ridge of rock or coral near the surface
9
Region surrounding the North Pole
12
Large slow-moving mass of ice
纵向
2
Steep rock face at edge of land
3
Distance east or west of prime meridian
4
Large natural stream of water
5
Goods sold to another country
6
Large natural elevation of earth
8
Landform where river meets the sea
10
Goods brought in from another country
11
Narrow sea inlet between cliffs