nautilus
noun
/ˈnɑ.tɪ.ləs/
,
/ˈnɔ.tɪ.ləs/
,
/ˈnɔː.tɪ.ləs/
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- A marine mollusc, of the family Nautilidae native to the Pacific Ocean and Indian Ocean, which has tentacles and a spiral shell with a series of air-filled chambers, of which Nautilus is the type genus.
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鸚鵡貝,
オウムガイ
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