横向
1
Large body of water partly enclosed by land
3
Wearing away of land by water or wind
6
Goods sold to another country
7
Largest ocean on Earth
9
Large area covered with trees
10
Low-lying land surrounded by higher ground
11
Ocean between Americas and Europe/Africa
纵向
2
Ridge of rock or coral near the surface
4
Distance east or west of prime meridian
5
Goods brought in from another country
8
Physical features of land