横向
1
Largest hot desert in the world
4
Half of the Earth
5
Physical features of land
8
Land surrounded by water on three sides
纵向
2
Body of water surrounded by land
3
Goods brought in from another country
6
One of seven major landmasses
7
Ridge of rock or coral near the surface
9
Large slow-moving mass of ice
10
Total number of people in an area