algal pit

例句：

1. 1. The algal pit is a popular spot for diving and snorkeling.
   藻类坑是潜水和浮潜的热门地点。
2. 2. The algal pit was filled with colorful fish and coral.
   藻类坑里充满了五颜六色的鱼和珊瑚。
3. 3. The algal pit is home to a diverse range of marine life.
   藻类坑是各种海洋生物的家园。