crustacean
crustacean — noun
1. An animal whose body is split into segments and protected by a hard outer casing
An animal whose body is split into segments and protected by a hard outer casing, found mainly in aquatic environments. Familiar types include crabs, lobsters, shrimp, and barnacles.
Ari found a small crustacean hiding under a rock by the beach.
Theo's biology class watched a crustacean grow a new shell after shedding its old one.
pattern: watch + crustacean + infinitive
Many different kinds of crustacean live in deep ocean water, far from sunlight.
The aquarium has a tank where visitors watch crustaceans move along the sandy floor.
Faisal ordered a seafood dish that included several types of crustacean.
- shellfish
broader everyday term that includes molluscs (clams, oysters) as well as crustaceans
文法句型
countable noun
plural form: crustaceans
用法筆記
Often used in the plural form 'crustaceans' when referring to the group as a whole ('most crustaceans live in salt water').