stony coral

常见例句

• Atolls and coral reefs from the stony coral skeleton form.
  環狀珊瑚島和珊瑚礁由石珊瑚的骨骼形成。
• When talking about corals, people normally refer to stony corals that build fascinating reefs.
  每儅提及珊瑚，我們便會聯想到那些能建造珊瑚礁的石珊瑚。
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