| 释义 | 
		 crust·aceanBrE /krʌˈsteɪʃn/NAmE /krʌˈsteɪʃn/ noun (specialist) any creature with a soft body that is divided into sections, and a hard outer shell. Most  crustaceans  live in water. Crabs, lobsters and shrimps are all  crustaceans 甲壳动物(如螃蟹、龙虾和小虾)  ➡  compare shellfish  |