横向
1
Chain or group of islands
7
Goods sold to another country
8
Physical features of land
9
Mountain that can erupt with lava
10
Wearing away of land by water or wind
11
Landform where river meets the sea
纵向
2
Low area between mountains
3
Imaginary line around the middle of Earth
4
Visual representation of an area
5
Ocean between Americas and Europe/Africa
6
Distance east or west of prime meridian
