横向
1
Total number of people in an area
6
Piece of land jutting into the sea
8
Mountain that can erupt with lava
9
Imaginary line around the middle of Earth
10
Flat grassland in tropical regions
12
Raised area of land, smaller than a mountain
纵向
2
Chain or group of islands
3
Land surrounded by water
4
Flat elevated area of land
5
Distance east or west of prime meridian
7
Physical features of land
11
Large natural elevation of earth
13
One of seven major landmasses
