sea snailWiktionary 原文构词拆分sea词根/词干+snail词根/词干演变路径（由近及远）英语继承自 ←中古英语 *se-snail继承自 ←古英语 sǣsnæġl “seasnail”词源说明From Middle English *se-snail, from Old English sǣsnæġl (“seasnail”), equivalent to sea + snail. Cognate with Danish søsnegl (“seasnail”), Norwegian sjøsnegl (“seasnail”), Icelandic sjósnigill (“seasnail”).释义（英文）名词 NounAny saltwater snail; a marine gastropod mollusk with a shell (contrasted with sea slug).