由长山群岛组成的长海县，是我国北方重要的海岛县之一。

Changhai county, which is made up of Changshan archipelago, is one of the important costal counties in north China.

youdao

由长山群岛组成的长海县，是我国北方重要的海岛县之一。

Changhai county, which is made up of Changshan archipelago, is one of the important costal counties in north China.

youdao