珊瑚礁为许多鱼类提供栖息地。
A ___coral reef provides habitat for many fish.
这条项链是用真正的粉色珊瑚制成的。
This necklace is crafted from authentic pink ___coral.
这个岛屿被美丽的珊瑚礁环绕。
The island is surrounded by a beautiful ___coral reef.