横向
1
Land surrounded by water on three sides
6
Physical features of land
8
Largest ocean on Earth
9
Large area covered with trees
10
Large body of water partly enclosed by land
纵向
2
Vast body of salt water
3
One of seven major landmasses
4
Deep narrow valley with steep sides
5
Wearing away of land by water or wind
7
Body of water surrounded by land