Any of numerous chiefly marine invertebrates of the phylum Mollusca, typically having a soft unsegmented body, a mantle, and a protective calcareous shell and including the edible shellfish and the snails.
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- 软体动物任一种无脊椎软体动物纲的海生动物,身体柔软且不分段,外有套膜,并具有保护性的钙质壳,包括可食用的有壳的水生动物和蜗牛