横向
1
Low-lying land surrounded by higher ground
4
One of seven major landmasses
5
Half of the Earth
纵向
2
Area where water covers the soil
3
Distance north or south of equator
4
Deep narrow valley with steep sides
6
Large slow-moving mass of ice
7
Large natural elevation of earth
8
Land surrounded by water
9
Ridge of rock or coral near the surface
10
Flat elevated area of land
11
Imaginary line around the middle of Earth