横向
1
Ridge of rock or coral near the surface
4
Largest ocean on Earth
5
Goods brought in from another country
6
Visual representation of an area
8
Deep narrow valley with steep sides
9
Mountain that can erupt with lava
11
Region between the two tropic lines
13
Flat elevated area of land
纵向
2
Large slow-moving mass of ice
3
Chain or group of islands
7
Area where water covers the soil
9
Low area between mountains
10
Low-lying land surrounded by higher ground
12
Cold treeless Arctic plain
14
Half of the Earth