单词 | 腕足动物 |
例句 | DEFINITIVE EXAMPLES 权威例句〔mantle〕A fold or pair of folds of the body wall that lines the shell and secretes the substance that forms the shell in mollusks and brachiopods.套膜:软体动物或腕足动物体壁上的膜或套膜,它连接壳体并分泌形成壳的物质美国传统 |
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