横向
1
Flat grassland in tropical regions
4
Goods sold to another country
6
Distance east or west of prime meridian
8
Cold treeless Arctic plain
9
Largest ocean on Earth
12
Largest hot desert in the world
14
Half of the Earth
纵向
2
Dry land with little rainfall
3
Ocean between Americas and Europe/Africa
4
Imaginary line around the middle of Earth
5
Where river meets the sea
7
Wearing away of land by water or wind
10
Largest river in South America
11
Goods brought in from another country
13
Region surrounding the North Pole