英语词汇staircase shell怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	staircase shell
释义	Definition of staircase shell in English: staircase shell noun another term for wentletrap Example sentencesExamples Normally these staircase shells, as wentletraps are also called, never leave their coral hosts. "These "staircase shells" are delicately graceful in shape, which makes them a favorite of shell collectors.
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Definition of staircase shell in English: