横向
1
Low-lying land surrounded by higher ground
4
Largest ocean on Earth
6
Body of water surrounded by land
7
Area where water covers the soil
8
Piece of land jutting into the sea
11
Goods brought in from another country
12
Region between the two tropic lines
纵向
2
Steep rock face at edge of land
3
Height above sea level
5
Tool for finding directions
9
Ridge of rock or coral near the surface
10
Largest river in South America