甲殼類的甲殼類
Crustacean \Crus*ta"cean\ (kr?s-t?"shan; 97), a. (Zo["o]l.) Of or pertaining to the Crustacea; crustaceous. -- n. An animal belonging to the class Crustacea.
crustacean adj : of or belonging to the class Crustacea [syn: {crustaceous}] n : any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton