横向
1
Distance east or west of prime meridian
6
Steep rock face at edge of land
7
Line dividing two countries
8
Mountain that can erupt with lava
10
Imaginary line around the middle of Earth
11
Land surrounded by water
12
Region surrounding the North Pole
14
One of seven major landmasses
纵向
2
Tool for finding directions
3
Chain or group of islands
4
Half of the Earth
5
Dry land with little rainfall
9
Large body of water partly enclosed by land
13
Region near the equator
15
Total number of people in an area