英语词汇hardtack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	hardtack
词根词缀	Online Etymology Dictionary hardtack n. 1836, "ship's biscuit," from hard, adj. + tack, n.3; soft-tack was soft wheaten bread.
随便看	electr- Electra electric electrical electrician electricity electrification electrify electro- electroanalysis electrobilolgy electrocardiogram electrocute electrocution electrode electro-, electr-, electri- electroencephalogram electrolysis electrolyte electromagnet electromagnetic electromagnetism electromotor electron electronic

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