Just north of Germany lies the Baltic Sea.波罗的海位于德斩正北面.Fish Stocks in the Baltic Sea: Finite or Infinite Resource?波罗的海的鱼类类群: 是有限资源还是无限资源?The Baltic Sea is a continuation of the North Sea.波罗的海是北海的延续....

波罗的海...

the Baltic Sea的音标：...