横向
1
Long-term weather patterns of an area
3
Large natural stream of water
5
Large body of water partly enclosed by land
6
Cold treeless Arctic plain
8
Tool for finding directions
12
Region between the two tropic lines
纵向
2
Vast body of salt water
3
Ridge of rock or coral near the surface
4
Distance east or west of prime meridian
7
Largest ocean on Earth
9
Goods brought in from another country
10
Low-lying land surrounded by higher ground
11
Largest river in South America