| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024crus•ta•cean /krʌˈsteɪʃən/USA pronunciation n. [countable]- Invertebratesa chiefly water-dwelling shellfish, an arthropod, typically having the body covered with a hard shell, as lobsters, shrimps, and crabs.
WordReference Random House Unabridged Dictionary of American English © 2024crus•ta•cean (kru stā′shən),USA pronunciation n. - any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice.
adj. - Invertebratesbelonging or pertaining to the crustaceans.
- Neo-Latin Crustace(a) (neuter plural) hard-shelled ones (see crust, -acea) + -an
- 1825–35
Collins Concise English Dictionary © HarperCollins Publishers:: crustacean /krʌˈsteɪʃən/ n - any arthropod of the mainly aquatic class Crustacea, typically having a carapace hardened with lime and including the lobsters, crabs, shrimps, woodlice, barnacles, copepods, and water fleas
adj
Also: crustaceous - of, relating to, or belonging to the Crustacea
Etymology: 19th Century: from New Latin crūstāceus hard-shelled, from Latin crūsta shell, crust |