英语词汇unofficial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	unofficial
词根词缀	Online Etymology Dictionary unofficial adj. 1798, from un-(1) "not" + official, adj.. Related: Unofficially.
随便看	pat Patagonia patch patchouli patchwork patchy pate -pated patella paten patency patent patent- pater paterfamilias paternal paternalism paternity paternoster pater, patr pater-, patri-, patro-, patr-, -patria -path path path- pathetic

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