The Baltic Sea is known for its unique ecological system.

波罗的海以其独特的生态系统而闻名。

Baltic countries include Estonia, Latvia, and Lithuania.

波罗的海国家包括爱沙尼亚、拉脱维亚和立陶宛。

The city has a beautiful view of the Baltic coastline.

这座城市可以看到美丽的波罗的海海岸线。

Baltic trade has been important for centuries.

波罗的海的贸易已经很重要几个世纪了。

The Baltic region experienced significant historical conflicts.

波罗的海地区经历了重大的历史冲突。

Researchers are studying the impact of climate change on the Baltic Sea.

研究人员正在研究气候变化对波罗的海的影响。