横向
1
Seasonal heavy rainfall
4
Largest ocean on Earth
5
Large slow-moving mass of ice
6
Physical features of land
7
Largest hot desert in the world
12
Piece of land jutting into the sea
13
Body of water surrounded by land
纵向
2
Ocean between Americas and Europe/Africa
3
Largest river in South America
8
Large natural stream of water
9
Flat grassland in tropical regions
10
Where river meets the sea
11
Region surrounding the North Pole