网络释义英英释义
Mollusc shell
- abstract: The mollusc (or molluskOften spelled mollusk shell in the USA; the spelling "mollusc" is preferred by ) shell is typically a calcareous exoskeleton which encloses, supports and protects the soft parts of an animal in the phylum Mollusca, which includes snails, clams, tusk shells, and several other classes. Not all shelled molluscs live in the sea, many live on the land and in freshwater.
以上来源于: WordNet
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