横向
1
Height above sea level
5
Mountain that can erupt with lava
6
Deep narrow valley with steep sides
8
Flat elevated area of land
9
Steep rock face at edge of land
10
Region surrounding the North Pole
13
Region between the two tropic lines
14
Large body of water partly enclosed by land
纵向
2
Largest ocean on Earth
3
Distance east or west of prime meridian
4
Large natural elevation of earth
7
Long-term weather patterns of an area
11
Landform where river meets the sea
12
One of seven major landmasses
15
Land surrounded by water on three sides