| 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 |