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oyster shell

/ˈɔɪstər ʃɛl/

翻译: 牡蛎坚硬粗糙的保护性外壳,由碳酸钙构成,常被用于装饰或作为钙的来源。

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phrase

/ˈɔɪstər ʃɛl/B1formal
  • zh牡蛎坚硬粗糙的保护性外壳,由碳酸钙构成,常被用于装饰或作为钙的来源。

The hard, rough, protective outer covering of an oyster, a type of marine bivalve mollusk. It is typically composed of calcium carbonate and is often used decoratively or as a source of calcium.

  1. Hard outer covering of an oysterB1formal

    The hard, rough, protective shell of an oyster, often used in jewelry or as a source of calcium.

    zh牡蛎壳

    • The beach was covered in broken oyster shells.
    • She collected oyster shells to make a decorative wind chime.
    • Oyster shells are often ground up and used in chicken feed.