noun 下载 🔗分享 乌贼,墨鱼。 Any of various squid-like cephalopods (marine mollusks) of the order Sepiida that have eight arms, two retractable tentacles, and a calcareous internal shell, and can eject a dark ink when threatened Examples : "The diver photographed a cuttlefish changing its color to blend in with the coral reef. " 潜水员拍到了一只乌贼正在改变颜色,以便融入珊瑚礁中。 animal fish ocean biology 与AI对话词汇游戏阅读练习