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单词 cuttlebone
释义

cuttlebone

/ˈkʌtlbəʊn/
noun
the flattened oval internal skeleton of the cuttlefish, which is made of white lightweight chalky material. It is used as a dietary supplement for cage birds and for making casts for precious metal items.
海螵蛸, 乌贼骨。
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更新时间:2025/8/3 8:40:34