coracine

例句：

1. 1. The coral reef is a vital habitat for marine life.
   珊瑚礁是海洋生物的重要栖息地。
2. 2.The coral reef is home to many colorful fish species.
   珊瑚礁居住着许多色彩斑斓的鱼类。
3. 3.The coral reef is threatened by pollution and climate change.
   珊瑚礁因污染和气候变化而受到威胁。