shell·fish /-ˌfɪʃ/
貝,甲殼類動物
Shell·fish n. Zool. Any aquatic animal whose external covering consists of a shell, either testaceous, as in oysters, clams, and other mollusks, or crustaceous, as in lobsters and crabs.
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shellfish
n 1: meat of edible aquatic invertebrate with a shell (especially
a mollusk or crustacean)
2: invertebrate having a soft unsegmented body usually enclosed
in a shell [syn: mollusk, mollusc]
[also: shellfishes (pl)]