英语词汇ironclad的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	ironclad
词根词缀	词源： (adj.) of warships, 1852, Amer.Eng., from iron + clad. As a noun meaning "iron-clad ship," it is attested from 1862). Of contracts, etc., 1884.
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