劍橋詞典 tortoiseshell noun [U] (ANIMAL SHELL) the hard shell of a turtle that is yellow , orange , and brown and that is used to make decorative objects , or an artificial substance made to look like this 玳瑁殼，龜甲，龜板；倣玳瑁殼 glasses with tortoiseshell frames 玳瑁殼框架的眼鏡 tortoiseshell noun [U] (CAT) ( also tortoiseshell cat); (US also calico cat) a cat with white , black , brown , and orange fur 龜殼色貓，三色貓，玳瑁貓 返回 tortoiseshell