柯林斯詞典cuttlebone /?k?t?l?b??n/ 1. N the internal calcareous shell of the cuttlefish, used as a mineral supplement to the diet of cage-birds and as a polishing agent 墨魚骨; 用作給籠中鳥進食的鑛物飼料及打磨作用劑 返回 cuttle bone