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出典:Wiktionary
出典:『Wiktionary』 (2026/08/14 19:55 UTC 版)
By surface analysis, up- + swell. Cognate with Dutch opzwellen, German aufschwellen.
upswell (plural upswells)
upswell (third-person singular simple present upswells, present participle upswelling, simple past upswelled, past participle upswelled or upswollen)
upswell