横向
1
Area where water covers the soil
4
Where river meets the sea
5
Largest ocean on Earth
6
Vast body of salt water
7
Piece of land jutting into the sea
8
Landform where river meets the sea
9
Steep rock face at edge of land
纵向
2
Chain or group of islands
3
Flat grassland in tropical regions
4
Goods sold to another country
10
Large area covered with trees