横向
1
Largest hot desert in the world
4
Goods sold to another country
6
Low-lying land surrounded by higher ground
9
Long-term weather patterns of an area
10
One of seven major landmasses
12
Mountain that can erupt with lava
纵向
2
Physical features of land
3
Cold treeless Arctic plain
5
Largest ocean on Earth
7
Narrow sea inlet between cliffs
8
Large slow-moving mass of ice
11
Goods brought in from another country
13
Piece of land jutting into the sea