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1.The coral polyp is a fascinating creature that lives in the ocean.
珊瑚海绵是一种令人着迷的海洋生物。
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2. The coral polyp has a unique ability to filter out harmful substances from the water.
珊瑚海绵具有一种独特的能力,可以从水中过滤掉有害的物质。
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3. The coral polyp plays an important role in maintaining the balance of the marine ecosystem.
珊瑚海绵在维护海洋生态系统的平衡中起着重要的作用。