横向
1
Area where water covers the soil
3
Region surrounding the North Pole
6
Deep narrow valley with steep sides
7
Chain or group of islands
9
Piece of land jutting into the sea
纵向
2
Land surrounded by water
4
Flat elevated area of land
5
Largest ocean on Earth
6
One of seven major landmasses
8
Line dividing two countries
10
Large body of water partly enclosed by land