algas

例句：

1. 1.The algaes are a fascinating creature that can change color to blend in with their environment.
   水母是一种令人着迷的生物，它们可以改变颜色以适应周围环境。
2. 2. The algaes are an important food source for many marine animals.
   水母是许多海洋动物的重要食物来源。
3. 3.Algae blooms can have a significant impact on the health of ocean ecosystems.
   藻类大量繁殖会对海洋生态系统的健康产生重大影响。