甲壳动物 jiǎqiàodòngwù crustacean Definitions Defs Origin Strokes Stroke Words Sentences Sents 甲壳 甲殼 jiǎqiào noun shell the hard protective outer shell or carapace of certain animals, such as crustaceans, insects, or turtles动物 動物 dòngwù noun animal animal; living creature that can move and has senses