[mass noun]the semi-transparent mottled yellow and brown shell of certain turtles, typically used to make jewellery or ornaments (尤指用于珠宝制造或装饰的)玳瑁壳 ■a synthetic substance made in imitation of this 仿玳瑁
short for tortoiseshell cat tortoiseshell cat的简称
short for tortoiseshell butterfly tortoiseshell butterfly 的简称