横向
1
One of seven major landmasses
6
Large natural elevation of earth
7
Large natural stream of water
9
Vast body of salt water
11
Low area between mountains
纵向
2
Wearing away of land by water or wind
3
Region near the equator
4
Low-lying land surrounded by higher ground
5
Goods brought in from another country
8
Imaginary line around the middle of Earth
10
Largest ocean on Earth