Coral reef
01
珊瑚礁, 珊瑚礁群
a natural underwater structure formed by coral
例子
The coral reef near the island is teeming with colorful fish.
岛附近的珊瑚礁充满了色彩斑斓的鱼。
Snorkeling over a coral reef is an unforgettable experience.
在珊瑚礁上浮潜是一次难忘的经历。
珊瑚礁, 珊瑚礁群