Submitted by admin on Mon, 04/28/2014 - 10:54
definition:
An arthropod of the large, mainly aquatic group Crustacea, such as a crab, lobster, shrimp, or barnacle.
sentence:
Marine scientists have found evidence of similar patterns among shoreline species like crabs, crustaceans and seaweed.
difficulty:
medium
toefl frequency:
2