横向
1
Large natural stream of water
4
Ocean between Americas and Europe/Africa
6
Goods brought in from another country
7
Dry land with little rainfall
9
Physical features of land
11
Tool for finding directions
纵向
2
Land surrounded by water on three sides
3
Landform where river meets the sea
5
One of seven major landmasses
8
Region surrounding the North Pole
10
Large slow-moving mass of ice
12
Mountain that can erupt with lava