marsh speedwell

例句：

1. 1. The marsh is home to many rare bird species.
   沼泽地是许多稀有鸟类的家园。
2. 2. The marsh was once a thriving fishing village.
   沼泽曾是繁荣的渔村。
3. 3. The marsh is now being restored for its biodiversity.
   沼泽正被恢复，以保持其生物多样性。