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。
单词 | cuttlebone |
释义 | cuttlebone/ˈkʌtlbəʊn/noun
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