reef rock

例句：

1. 1. The reefrock is a popular spot for snorkeling.
   礁石是潜水的好去处。
2. 2. The coral reef is home to manycolorful fish and sea turtles.
   珊瑚礁是许多色彩斑斓的鱼和海龟的家园。
3. 3. The reef rock provides shelterfor the local marine life.
   礁石为当地海洋生物提供了庇护所。